三生三世十里桃花


深入贯彻落实习近平总书记在深入推进东北振兴座谈会重要讲话和我省考察时重要指示精神    以新气象新担当新作为推进现代化牡丹江建设  沿着习近平总书记指引方向奋力前行   开辟振兴发展的新境界   坚持新发展理念 解放思想 锐意进取 深化改革 破解矛盾 以新气象新担当新作为推进现代化牡丹江建设  坚定信心不动摇 敢于担当有作为 撸起袖子加油干   汇聚智慧力量 携手推动现代化牡丹江建设   统筹推进“五位一体”总体布局,协调推进“四个全面”战略布局,推进新时代牡丹江振兴发展  
【习题】测(ce)电阻(zu)率实验
阅读次数:698    发布时间(jian):2020年(nian)03月20日(ri)    
考点(dian)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi):电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan) 【3年真题(ti)链接(jie)(jie)(jie)】 1.(10分(fen)(fen)(fen)(fen)(fen))(2019高(gao)(gao)考江(jiang)苏卷(juan)(juan)物(wu)(wu)理11)某(mou)(mou)(mou)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)段(duan)长(zhang)(zhang)(zhang)度(du)(du)(du)已(yi)知的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv).实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)操作(zuo)(zuo)(zuo)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia): (1)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)如(ru)题(ti)11-1图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi).在(zai)(zai)(zai)(zai)(zai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)时(shi)(shi)(shi)(shi),先(xian)将(jiang)(jiang)(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)轻(qing)轻(qing)地(di)(di)(di)夹在(zai)(zai)(zai)(zai)(zai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)砧与(yu)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)螺(luo)(luo)杆之(zhi)间,再旋(xuan)动(dong)(dong)(dong)(dong)(dong) (选(xuan)(xuan)(xuan)(xuan)填(tian)“A”“B”或(huo)(huo)(huo)(huo)(huo)(huo)“C”),直(zhi)(zhi)(zhi)(zhi)(zhi)到(dao)(dao)听见(jian)“喀喀”的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)声音,以保(bao)(bao)(bao)证压(ya)力适(shi)当,同(tong)(tong)(tong)(tong)(tong)(tong)时(shi)(shi)(shi)(shi)防止螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)损坏. (题(ti)11–1图(tu)(tu)(tu)(tu)(tu)(tu)) (2)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de) (选(xuan)(xuan)(xuan)(xuan)填(tian)“同(tong)(tong)(tong)(tong)(tong)(tong)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)”或(huo)(huo)(huo)(huo)(huo)(huo)“不(bu)(bu)同(tong)(tong)(tong)(tong)(tong)(tong)”)位(wei)(wei)(wei)(wei)置(zhi)(zhi)进行(xing)(xing)多(duo)(duo)次(ci)(ci)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang),取其(qi)(qi)(qi)(qi)(qi)(qi)平(ping)均(jun)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)作(zuo)(zuo)(zuo)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing). (3)题(ti)11-2甲(jia)(jia)(jia)(jia)图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)Rx,为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)待(dai)(dai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si).请(qing)(qing)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)笔画(hua)(hua)线(xian)(xian)(xian)(xian)代(dai)替(ti)导线(xian)(xian)(xian)(xian),将(jiang)(jiang)(jiang)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)接(jie)(jie)(jie)入题(ti)11-2乙(yi)(yi)图(tu)(tu)(tu)(tu)(tu)(tu)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)物(wu)(wu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)正(zheng)确(que)位(wei)(wei)(wei)(wei)置(zhi)(zhi). (题(ti)11-2甲(jia)(jia)(jia)(jia)图(tu)(tu)(tu)(tu)(tu)(tu)) (题(ti)11-2乙(yi)(yi)图(tu)(tu)(tu)(tu)(tu)(tu)) (4)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)R,利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)题(ti)11-2甲(jia)(jia)(jia)(jia)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu),调节(jie)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)5组(zu)(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)U1和(he)(he)(he)(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)I1的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),作(zuo)(zuo)(zuo)出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)U1–I1关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)图(tu)(tu)(tu)(tu)(tu)(tu)象(xiang)如(ru)题(ti)11-3图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi).接(jie)(jie)(jie)着(zhe),将(jiang)(jiang)(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)改(gai)接(jie)(jie)(jie)在(zai)(zai)(zai)(zai)(zai)a、b两(liang)(liang)端(duan),测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)5组(zu)(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)U2和(he)(he)(he)(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)I2的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)见(jian)下(xia)(xia)(xia)(xia)(xia)(xia)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao): U2/V 0.50 1.02 1.54 2.05 2.55 I2/mA 20.0 40.0 60.0 80.0 100.0 请(qing)(qing)根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju),在(zai)(zai)(zai)(zai)(zai)方格(ge)纸上(shang)作(zuo)(zuo)(zuo)出(chu)(chu)U2–I2图(tu)(tu)(tu)(tu)(tu)(tu)象(xiang). (5)由此(ci),可(ke)(ke)(ke)(ke)求(qiu)(qiu)得(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)Rx= Ω.根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)定(ding)(ding)(ding)(ding)(ding)(ding)律可(ke)(ke)(ke)(ke)得(de)(de)到(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv). 2.(2019高(gao)(gao)考理综(zong)天津卷(juan)(juan))(3)现(xian)(xian)(xian)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)长(zhang)(zhang)(zhang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)。 ①某(mou)(mou)(mou)次(ci)(ci)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)结(jie)(jie)果(guo)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),其(qi)(qi)(qi)(qi)(qi)(qi)读(du)(du)(du)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)是(shi)______。 ②利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)下(xia)(xia)(xia)(xia)(xia)(xia)列(lie)(lie)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)设(she)(she)计(ji)(ji)(ji)(ji)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)个(ge)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu),尽(jin)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)准(zhun)确(que)地(di)(di)(di)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)段(duan)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)。这段(duan)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu),约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei),画(hua)(hua)出(chu)(chu)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)图(tu)(tu)(tu)(tu)(tu)(tu),并(bing)标(biao)(biao)明(ming)(ming)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)代(dai)号。 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan) (电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi),内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)) 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao) (量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng),内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)) 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao) (量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng),内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)) 滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi) (最(zui)(zui)(zui)大(da)(da)(da)(da)(da)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),额定(ding)(ding)(ding)(ding)(ding)(ding)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)) 开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan) ③某(mou)(mou)(mou)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)设(she)(she)计(ji)(ji)(ji)(ji)方案正(zheng)确(que),测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)得(de)(de)到(dao)(dao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)读(du)(du)(du)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei),电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)读(du)(du)(du)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei),则(ze)(ze)这段(duan)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)式(shi)______。从(cong)设(she)(she)计(ji)(ji)(ji)(ji)原理看,其(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)与(yu)真实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)相比______(填(tian)“偏(pian)大(da)(da)(da)(da)(da)”、“偏(pian)小(xiao)(xiao)(xiao)”或(huo)(huo)(huo)(huo)(huo)(huo)“相等(deng)”)。 【2年模拟(ni)(ni)再现(xian)(xian)(xian)】 1.(6分(fen)(fen)(fen)(fen)(fen))(2019吉林(lin)长(zhang)(zhang)(zhang)春四模)在(zai)(zai)(zai)(zai)(zai)“测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)”实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong),所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)仪器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)均(jun)已(yi)校(xiao)准(zhun)。 (1)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia),示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)L=   cm;用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)其(qi)(qi)(qi)(qi)(qi)(qi)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi),示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)D=   mm。 (2)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)伏安法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)R,则(ze)(ze)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)达(da)(da)(da)式(shi)ρ=   (用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)题(ti)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)给字(zi)(zi)(zi)母表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi))。 2.(2019江(jiang)西南昌二(er)模)某(mou)(mou)(mou)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)想(xiang)(xiang)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)学(xue)校(xiao)附(fu)近一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)工(gong)厂排出(chu)(chu)废水(shui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),以判断(duan)(duan)(duan)废水(shui)是(shi)否达(da)(da)(da)到(dao)(dao)排放标(biao)(biao)准(zhun)(一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)般工(gong)业废水(shui)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)达(da)(da)(da)标(biao)(biao)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)≥200Ω?m)。图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)该(gai)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)盛水(shui)容器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),其(qi)(qi)(qi)(qi)(qi)(qi)左(zuo)、右两(liang)(liang)侧面(mian)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)带有(you)(you)(you)(you)(you)(you)接(jie)(jie)(jie)线(xian)(xian)(xian)(xian)柱(zhu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)薄板(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)极小(xiao)(xiao)(xiao)),其(qi)(qi)(qi)(qi)(qi)(qi)余四面(mian)由绝缘材(cai)(cai)(cai)(cai)(cai)料制(zhi)成,容器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)部长(zhang)(zhang)(zhang)a=40cm,宽(kuan)b=20cm,高(gao)(gao)c=l0cm。他(ta)将(jiang)(jiang)(jiang)水(shui)样(yang)注满(man)容器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)后设(she)(she)计(ji)(ji)(ji)(ji)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)进行(xing)(xing)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)。 (l)他(ta)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)室(shi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)下(xia)(xia)(xia)(xia)(xia)(xia)列(lie)(lie)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)来(lai)精(jing)(jing)确(que)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)取水(shui)样(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu) A.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)5mA,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)RA=800Ω) B.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)15V,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)Rv约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)10.0kΩ) C.滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(0﹣20Ω,额定(ding)(ding)(ding)(ding)(ding)(ding)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)1A) D.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(12V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约10Ω) E.开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)只、导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan) 请(qing)(qing)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)笔画(hua)(hua)线(xian)(xian)(xian)(xian)代(dai)替(ti)导线(xian)(xian)(xian)(xian)帮(bang)他(ta)在(zai)(zai)(zai)(zai)(zai)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)完成电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)连(lian)接(jie)(jie)(jie); (2)正(zheng)确(que)连(lian)接(jie)(jie)(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)后,这位(wei)(wei)(wei)(wei)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)组(zu)(zu)U、I数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju);再调节(jie)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),重复上(shang)述测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)得(de)(de)出(chu)(chu)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)系(xi)(xi)列(lie)(lie)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),请(qing)(qing)你在(zai)(zai)(zai)(zai)(zai)图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao)系(xi)(xi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)作(zuo)(zuo)(zuo)出(chu)(chu)U﹣I关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian); U/V 2.0 4.0 6.8 8.2 10.0 11.2 I/mA 0.80 1.60 2.73 3.38 4.00 4.45 (3)由以上(shang)U﹣I图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian)求(qiu)(qiu)出(chu)(chu)待(dai)(dai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)水(shui)样(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei) 1700 Ω,算(suan)(suan)(suan)(suan)出(chu)(chu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)水(shui)样(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),可(ke)(ke)(ke)(ke)以判断(duan)(duan)(duan)这一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)指标(biao)(biao)上(shang)水(shui)样(yang)﹣(选(xuan)(xuan)(xuan)(xuan)填(tian)“达(da)(da)(da)标(biao)(biao)”或(huo)(huo)(huo)(huo)(huo)(huo)“不(bu)(bu)达(da)(da)(da)标(biao)(biao)”)。 3.(9分(fen)(fen)(fen)(fen)(fen))(2019河北(bei)唐(tang)山三(san)(san)(san)(san)(san)(san)模)某(mou)(mou)(mou)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)小(xiao)(xiao)(xiao)组(zu)(zu),通过(guo)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)某(mou)(mou)(mou)种电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)材(cai)(cai)(cai)(cai)(cai)料的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),可(ke)(ke)(ke)(ke)供使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)有(you)(you)(you)(you)(you)(you): A.一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)段(duan)长(zhang)(zhang)(zhang)1m左(zuo)右、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)20Ω电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si); C.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)组(zu)(zu)E(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)3.0V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约1Ω); B.带有(you)(you)(you)(you)(you)(you)刻度(du)(du)(du)尺(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)木(mu)板及(ji)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)夹; D.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3.0V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约3KΩ); E.定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R0=15Ω; F.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)R(0﹣999.9Ω) G,开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)、导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan) 实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)操作(zuo)(zuo)(zuo)步骤(zhou)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia) ①将(jiang)(jiang)(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)固定(ding)(ding)(ding)(ding)(ding)(ding)在(zai)(zai)(zai)(zai)(zai)长(zhang)(zhang)(zhang)木(mu)板上(shang),金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)夹夹在(zai)(zai)(zai)(zai)(zai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)不(bu)(bu)同(tong)(tong)(tong)(tong)(tong)(tong)位(wei)(wei)(wei)(wei)置(zhi)(zhi)改(gai)变(bian)(bian)(bian)(bian)(bian)(bian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)连(lian)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du); ②用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)在(zai)(zai)(zai)(zai)(zai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)上(shang)三(san)(san)(san)(san)(san)(san)个(ge)不(bu)(bu)同(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)(wei)(wei)置(zhi)(zhi)分(fen)(fen)(fen)(fen)(fen)别测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing); ③将(jiang)(jiang)(jiang)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)按(an)照图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)连(lian)接(jie)(jie)(jie),并(bing)将(jiang)(jiang)(jiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)调至最(zui)(zui)(zui)大(da)(da)(da)(da)(da); ④将(jiang)(jiang)(jiang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)夹夹在(zai)(zai)(zai)(zai)(zai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)上(shang)某(mou)(mou)(mou)位(wei)(wei)(wei)(wei)置(zhi)(zhi),闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),调整电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),并(bing)记录(lu)(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)U,然后断(duan)(duan)(duan)开(kai)(kai)(kai)(kai)(kai)(kai)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)。记录(lu)(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)长(zhang)(zhang)(zhang)度(du)(du)(du)L; ⑤改(gai)变(bian)(bian)(bian)(bian)(bian)(bian)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)夹位(wei)(wei)(wei)(wei)置(zhi)(zhi),闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),调整电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),使(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)再次(ci)(ci)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)U.重复多(duo)(duo)次(ci)(ci),记录(lu)(lu)(lu)(lu)每(mei)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)次(ci)(ci)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)长(zhang)(zhang)(zhang)度(du)(du)(du)L; ⑥断(duan)(duan)(duan)开(kai)(kai)(kai)(kai)(kai)(kai)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),整理好(hao)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)。 (1)某(mou)(mou)(mou)次(ci)(ci)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)d时(shi)(shi)(shi)(shi),螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)d=   mm,实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)时(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)U=   V。 (2)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)记录(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)多(duo)(duo)组(zu)(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)对(dui)应(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)长(zhang)(zhang)(zhang)度(du)(du)(du)L的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju),描(miao)绘出(chu)(chu)了(le)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)丁(ding)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)R﹣L关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian),结(jie)(jie)合(he)图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)标(biao)(biao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)及(ji)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)d,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)达(da)(da)(da)式(shi)ρ=   。 (3)本实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong),电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)不(bu)(bu)是(shi)理想(xiang)(xiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao),对(dui)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)结(jie)(jie)果(guo)   (填(tian)“偏(pian)大(da)(da)(da)(da)(da)”、“偏(pian)小(xiao)(xiao)(xiao)”或(huo)(huo)(huo)(huo)(huo)(huo)“无影响(xiang)”)。 4.(2019贵州等(deng)四省(sheng)名校(xiao)大(da)(da)(da)(da)(da)联考)想(xiang)(xiang)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)铜(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),他(ta)找到(dao)(dao)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)根(gen)(gen)长(zhang)(zhang)(zhang)L=1m的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)铜(tong)(tong)(tong)(tong)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si),并(bing)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)铜(tong)(tong)(tong)(tong)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)图(tu)(tu)(tu)(tu)(tu)(tu)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)铜(tong)(tong)(tong)(tong)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R,其(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)Rz(最(zui)(zui)(zui)大(da)(da)(da)(da)(da)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)999.9Ω),滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)Rs,灵敏电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)计(ji)(ji)(ji)(ji)G,定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R1=10kΩ、定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R2=1Ω,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)E,开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)S。 闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)S,调节(jie)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)Rs、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)Rz,最(zui)(zui)(zui)终(zhong)使(shi)(shi)(shi)(shi)得(de)(de)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)Rs=0时(shi)(shi)(shi)(shi),灵敏电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)计(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)也为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)零,此(ci)时(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)Rz的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。 (1)该(gai)铜(tong)(tong)(tong)(tong)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)径(jing)(jing)(jing)D=______mm,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)Rz的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)______Ω。 (2)若(ruo)(ruo)(ruo)在(zai)(zai)(zai)(zai)(zai)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)发(fa)现(xian)(xian)(xian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)从(cong)上(shang)往下(xia)(xia)(xia)(xia)(xia)(xia)流(liu)(liu)(liu)(liu)(liu)过(guo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)计(ji)(ji)(ji)(ji)G,此(ci)时(shi)(shi)(shi)(shi)应(ying)该(gai)______(填(tian)“增大(da)(da)(da)(da)(da)”或(huo)(huo)(huo)(huo)(huo)(huo)“减小(xiao)(xiao)(xiao)”)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)Rz的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),可(ke)(ke)(ke)(ke)使(shi)(shi)(shi)(shi)通过(guo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)计(ji)(ji)(ji)(ji)G的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)逐渐变(bian)(bian)(bian)(bian)(bian)(bian)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)零。 (3)待(dai)(dai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)铜(tong)(tong)(tong)(tong)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)Rz=______Ω.(结(jie)(jie)果(guo)保(bao)(bao)(bao)留(liu)两(liang)(liang)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))。 (4)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)出(chu)(chu)铜(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)______Ω.?m(结(jie)(jie)果(guo)保(bao)(bao)(bao)留(liu)两(liang)(liang)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))。 5.(2019广东七校(xiao)冲刺模拟(ni)(ni))ab是(shi)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)段(duan)粗细均(jun)匀的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)合(he)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si),为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)该(gai)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)ρ,某(mou)(mou)(mou)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)小(xiao)(xiao)(xiao)组(zu)(zu)设(she)(she)计(ji)(ji)(ji)(ji)了(le)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)。R0是(shi)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)2Ω的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)保(bao)(bao)(bao)护电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu),滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)片P与(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)始(shi)终(zhong)接(jie)(jie)(jie)触(chu)良好(hao)。 (1)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),其(qi)(qi)(qi)(qi)(qi)(qi)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)d=______mm。 (2)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)时(shi)(shi)(shi)(shi)闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),调节(jie)P的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)(wei)(wei)置(zhi)(zhi),记录(lu)(lu)(lu)(lu)aP长(zhang)(zhang)(zhang)度(du)(du)(du)x和(he)(he)(he)(he)(he)对(dui)应(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)U、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)I等(deng)相关(guan)(guan)(guan)(guan)(guan)(guan)(guan)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju),如(ru)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao): x/m 0.10 0.20 0.30 0.40 0.50 0.60 U/V 1.50 1.72 1.89 2.00 2.10 2.18 I/A 0.49 0.43 0.38 0.33 0.31 0.28 /Ω 3.06 4.00 4.97 6.06 6.77 7.79 若(ruo)(ruo)(ruo)不(bu)(bu)考虑电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu),请(qing)(qing)利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)题(ti)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)给字(zi)(zi)(zi)母写出(chu)(chu)该(gai)合(he)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)达(da)(da)(da)式(shi)ρ=______。 (3)据(ju)(ju)(ju)(ju)(ju)(ju)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)作(zuo)(zuo)(zuo)出(chu)(chu)-x关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)该(gai)图(tu)(tu)(tu)(tu)(tu)(tu),可(ke)(ke)(ke)(ke)求(qiu)(qiu)得(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)ρ为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)______Ω?m(结(jie)(jie)果(guo)保(bao)(bao)(bao)留(liu)两(liang)(liang)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))。图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)-x关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian)纵轴截(jie)(jie)距的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物(wu)(wu)理意义是(shi)______。 预(yu)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)考点(dian)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi):电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan) 【2年模拟(ni)(ni)再现(xian)(xian)(xian)】 1.(2019沈阳三(san)(san)(san)(san)(san)(san)模)在(zai)(zai)(zai)(zai)(zai)市场上(shang)销售的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)铜(tong)(tong)(tong)(tong)质(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)缆产品中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong),部分(fen)(fen)(fen)(fen)(fen)存(cun)在(zai)(zai)(zai)(zai)(zai)导体电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)不(bu)(bu)合(he)格(ge)问题(ti),质(zhi)(zhi)检部门(men)检验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)发(fa)现(xian)(xian)(xian),一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)种是(shi)铜(tong)(tong)(tong)(tong)材(cai)(cai)(cai)(cai)(cai)质(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)不(bu)(bu)合(he)格(ge),使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)了(le)再生铜(tong)(tong)(tong)(tong)或(huo)(huo)(huo)(huo)(huo)(huo)含杂质(zhi)(zhi)较(jiao)(jiao)多(duo)(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)铜(tong)(tong)(tong)(tong);再一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)种就是(shi)铜(tong)(tong)(tong)(tong)材(cai)(cai)(cai)(cai)(cai)质(zhi)(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)合(he)格(ge),但(dan)横(heng)截(jie)(jie)面(mian)积较(jiao)(jiao)小(xiao)(xiao)(xiao)。质(zhi)(zhi)检组(zu)(zu)查阅到(dao)(dao):常温下(xia)(xia)(xia)(xia)(xia)(xia),纯铜(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)。为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)检测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)捆(kun)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)是(shi)否合(he)格(ge),现(xian)(xian)(xian)取一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)段(duan)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)其(qi)(qi)(qi)(qi)(qi)(qi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)室(shi)现(xian)(xian)(xian)有(you)(you)(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia): A.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)1.5V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)不(bu)(bu)计(ji)(ji)(ji)(ji)); B.待(dai)(dai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(长(zhang)(zhang)(zhang)度(du)(du)(du)150m,横(heng)截(jie)(jie)面(mian)积约1mm2); C.一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)150mA,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)r1约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)2): D.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)100mA ,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)r1=3); E.滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R1(0~20,额定(ding)(ding)(ding)(ding)(ding)(ding)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)0.2A); F.开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)、导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan)。 (1)小(xiao)(xiao)(xiao)组(zu)(zu)成员先(xian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)该(gai)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)d,如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)(a)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)d=_______mm。 (2)小(xiao)(xiao)(xiao)组(zu)(zu)设(she)(she)计(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)(b)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)P是(shi)_______,N是(shi)_______ (填(tian)对(dui)应(ying)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)符(fu)号),通过(guo)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)作(zuo)(zuo)(zuo)出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)图(tu)(tu)(tu)(tu)(tu)(tu)象(xiang)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)(c)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。 (3)由图(tu)(tu)(tu)(tu)(tu)(tu)(b)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu),其(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)比真实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)_______ (选(xuan)(xuan)(xuan)(xuan)填(tian)“偏(pian)大(da)(da)(da)(da)(da)”、“不(bu)(bu)变(bian)(bian)(bian)(bian)(bian)(bian)”或(huo)(huo)(huo)(huo)(huo)(huo)“偏(pian)小(xiao)(xiao)(xiao)”)。 (4)由图(tu)(tu)(tu)(tu)(tu)(tu)(c)求(qiu)(qiu)得(de)(de)这捆(kun)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)=____________(结(jie)(jie)果(guo)保(bao)(bao)(bao)留(liu)三(san)(san)(san)(san)(san)(san)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))从(cong)铜(tong)(tong)(tong)(tong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)线(xian)(xian)(xian)(xian)自身(shen)角度(du)(du)(du),你认为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)大(da)(da)(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)可(ke)(ke)(ke)(ke)能(neng)原因是(shi)_______________________________。 2.(2019成都高(gao)(gao)新区(qu)模拟(ni)(ni))某(mou)(mou)(mou)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)在(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)次(ci)(ci)“测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)”的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong),用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)米尺(chi)(chi)(chi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)部分(fen)(fen)(fen)(fen)(fen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)长(zhang)(zhang)(zhang)度(du)(du)(du)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)l=0.720m,用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)(刻度(du)(du)(du)位(wei)(wei)(wei)(wei)置(zhi)(zhi)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)),用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)伏安法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)(da)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)5Ω),然后计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)出(chu)(chu)该(gai)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)材(cai)(cai)(cai)(cai)(cai)料的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)。在(zai)(zai)(zai)(zai)(zai)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)伏安法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)时(shi)(shi)(shi)(shi),除被(bei)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)外,还有(you)(you)(you)(you)(you)(you)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai): A.直(zhi)(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(输出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)3V) B.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~0.6A,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约0.125Ω) C.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)3kΩ) D.滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(最(zui)(zui)(zui)大(da)(da)(da)(da)(da)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)20Ω) E.开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)、导线(xian)(xian)(xian)(xian)等(deng) (1)从(cong)图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)读(du)(du)(du)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei) 0.600 mm。 (2)根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)提供的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai),在(zai)(zai)(zai)(zai)(zai)虚线(xian)(xian)(xian)(xian)框中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)画(hua)(hua)出(chu)(chu)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)图(tu)(tu)(tu)(tu)(tu)(tu)。 (3)若(ruo)(ruo)(ruo)根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)伏安法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)Rx=4.0Ω,则(ze)(ze)这种金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)材(cai)(cai)(cai)(cai)(cai)料的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei) 1.6×10﹣6 Ω?m(保(bao)(bao)(bao)留(liu)两(liang)(liang)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))。 3.(2019洛(luo)阳联考)导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)玻(bo)(bo)(bo)璃(li)(li)是(shi)制(zhi)造LCD的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)主要(yao)材(cai)(cai)(cai)(cai)(cai)料之(zhi)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi).为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)玻(bo)(bo)(bo)璃(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),某(mou)(mou)(mou)小(xiao)(xiao)(xiao)组(zu)(zu)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)选(xuan)(xuan)(xuan)(xuan)取长(zhang)(zhang)(zhang)度(du)(du)(du)L=25.00 cm、直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)d=0.900 mm的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)圆柱(zhu)体导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)玻(bo)(bo)(bo)璃(li)(li)进行(xing)(xing)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan),用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)欧姆表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)粗测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)该(gai)导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)玻(bo)(bo)(bo)璃(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)Rx,发(fa)现(xian)(xian)(xian)其(qi)(qi)(qi)(qi)(qi)(qi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约12.0 Ω. (1)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)精(jing)(jing)确(que)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)Rx的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),该(gai)小(xiao)(xiao)(xiao)组(zu)(zu)设(she)(she)计(ji)(ji)(ji)(ji)了(le)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)13-3所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu).可(ke)(ke)(ke)(ke)供使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)主要(yao)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia): 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)E(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)4.5 V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约1 Ω); 定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R0(阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)20 Ω); 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3 V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约3 kΩ); 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~15 V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约15 kΩ); 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~200 mA,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约1.5 Ω); 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3 A,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约0.5 Ω); 滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R1(阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)范(fan)围(wei)0~1 kΩ); 滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R2(阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)范(fan)围(wei)0~20 Ω). ①图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)    ;电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)    ;滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)    .(填(tian)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)代(dai)号)? ②该(gai)小(xiao)(xiao)(xiao)组(zu)(zu)进行(xing)(xing)了(le)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia)操作(zuo)(zuo)(zuo): A.将(jiang)(jiang)(jiang)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)片移(yi)到(dao)(dao)最(zui)(zui)(zui)右端(duan),将(jiang)(jiang)(jiang)S1拨到(dao)(dao)位(wei)(wei)(wei)(wei)置(zhi)(zhi)1,闭(bi)(bi)(bi)合(he)S2,调节(jie)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),读(du)(du)(du)出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)和(he)(he)(he)(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)(fen)(fen)(fen)别为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)0.185 A和(he)(he)(he)(he)(he)2.59 V; B.将(jiang)(jiang)(jiang)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)片移(yi)到(dao)(dao)最(zui)(zui)(zui)右端(duan),将(jiang)(jiang)(jiang)S1拨到(dao)(dao)位(wei)(wei)(wei)(wei)置(zhi)(zhi)2,调节(jie)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),读(du)(du)(du)出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)和(he)(he)(he)(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)(fen)(fen)(fen)别为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)0.125 A和(he)(he)(he)(he)(he)2.65 V; C.将(jiang)(jiang)(jiang)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)片移(yi)到(dao)(dao)最(zui)(zui)(zui)右端(duan),断(duan)(duan)(duan)开(kai)(kai)(kai)(kai)(kai)(kai)S1、S2. 可(ke)(ke)(ke)(ke)求(qiu)(qiu)得(de)(de)Rx=    Ω.? (2)由以上(shang)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)可(ke)(ke)(ke)(ke)求(qiu)(qiu)得(de)(de)该(gai)导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)玻(bo)(bo)(bo)璃(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)ρ=    Ω·m.? 4.(5分(fen)(fen)(fen)(fen)(fen))(2019浙江(jiang)绿色联盟模拟(ni)(ni))在(zai)(zai)(zai)(zai)(zai)“测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)”的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong),金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)5Ω,某(mou)(mou)(mou)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)先(xian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)刻度(du)(du)(du)尺(chi)(chi)(chi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du)l=50.00cm,用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)时(shi)(shi)(shi)(shi)刻度(du)(du)(du)位(wei)(wei)(wei)(wei)置(zhi)(zhi)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),再用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)伏安法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu),然后根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)定(ding)(ding)(ding)(ding)(ding)(ding)律计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)出(chu)(chu)该(gai)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)材(cai)(cai)(cai)(cai)(cai)料的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)。 ①该(gai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)d= 1.70 mm; ②实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)能(neng)提供的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)有(you)(you)(you)(you)(you)(you): A.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约3kΩ) B.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)V2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~15V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约15kΩ) C.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~3A,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约0.01Ω) D.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~0.6A,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约0.1Ω) E.滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R1(0~20Ω) F.滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R2(0~500Ω) G.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)E(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)3.0V)及(ji)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)(he)(he)导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan) 该(gai)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)从(cong)以上(shang)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze)合(he)适(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)连(lian)接(jie)(jie)(jie)好(hao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)进行(xing)(xing)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang),电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)应(ying)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze) D ,滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)应(ying)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze) E ,(选(xuan)(xuan)(xuan)(xuan)填(tian)各器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)前的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)字(zi)(zi)(zi)母)。如(ru)下(xia)(xia)(xia)(xia)(xia)(xia)图(tu)(tu)(tu)(tu)(tu)(tu),实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)时(shi)(shi)(shi)(shi)有(you)(you)(you)(you)(you)(you)四种电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)可(ke)(ke)(ke)(ke)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze),要(yao)求(qiu)(qiu)能(neng)较(jiao)(jiao)准(zhun)确(que)且方便地(di)(di)(di)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong) 丁(ding) 。 ③该(gai)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)建立U﹣I坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao)系(xi)(xi),如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)已(yi)标(biao)(biao)出(chu)(chu)了(le)与(yu)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)对(dui)应(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)五个(ge)坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao)点(dian),据(ju)(ju)(ju)(ju)(ju)(ju)此(ci)图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian)可(ke)(ke)(ke)(ke)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)出(chu)(chu)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)属(shu)(shu)(shu)(shu)(shu)(shu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei) 5.3 Ω。 5.(9分(fen)(fen)(fen)(fen)(fen)) (2019湖(hu)北(bei)名校(xiao)联盟三(san)(san)(san)(san)(san)(san)模)长(zhang)(zhang)(zhang)郡(jun)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)学(xue)新进了(le)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)批(pi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si),每(mei)卷(juan)(juan)长(zhang)(zhang)(zhang)度(du)(du)(du)L=100m,阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)150Ω,高(gao)(gao)三(san)(san)(san)(san)(san)(san)物(wu)(wu)理兴趣小(xiao)(xiao)(xiao)组(zu)(zu)想(xiang)(xiang)尽(jin)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)准(zhun)确(que)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)岀其(qi)(qi)(qi)(qi)(qi)(qi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)。先(xian)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)岀电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),然后在(zai)(zai)(zai)(zai)(zai)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)室(shi)找来(lai)了(le)下(xia)(xia)(xia)(xia)(xia)(xia)列(lie)(lie)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai),请(qing)(qing)协助完成。 待(dai)(dai)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)1卷(juan)(juan) 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)E(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)4.5V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)r≈0.5Ω) 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)10mA,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)RA1=50Ω) 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)30mA,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)RA2≈30Ω) 滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R1(最(zui)(zui)(zui)大(da)(da)(da)(da)(da)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)20Ω) 滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)R2(最(zui)(zui)(zui)大(da)(da)(da)(da)(da)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)50Ω) 定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R3=100Ω 定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)R4=400Ω 开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)个(ge)、导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan) (1)螺(luo)(luo)旋(xuan)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)微(wei)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)(zhi)(zhi)(zhi)径(jing)(jing)(jing)d=___________cm。 (2)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)___________,定(ding)(ding)(ding)(ding)(ding)(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)应(ying)选(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)___________。 (3)请(qing)(qing)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)笔画(hua)(hua)线(xian)(xian)(xian)(xian)代(dai)替(ti)导线(xian)(xian)(xian)(xian),将(jiang)(jiang)(jiang)已(yi)连(lian)接(jie)(jie)(jie)了(le)三(san)(san)(san)(san)(san)(san)根(gen)(gen)导线(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)物(wu)(wu)图(tu)(tu)(tu)(tu)(tu)(tu)补充成实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)线(xian)(xian)(xian)(xian)路(lu)(lu)(lu)(lu)图(tu)(tu)(tu)(tu)(tu)(tu)____________。 (4)连(lian)接(jie)(jie)(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu),闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),移(yi)动(dong)(dong)(dong)(dong)(dong)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)(hua)动(dong)(dong)(dong)(dong)(dong)变(bian)(bian)(bian)(bian)(bian)(bian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi),并(bing)记录(lu)(lu)(lu)(lu)下(xia)(xia)(xia)(xia)(xia)(xia)多(duo)(duo)组(zu)(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)I1、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)I2,以I1为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)横(heng)坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao),I2为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)纵坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao),描(miao)点(dian)作(zuo)(zuo)(zuo)图(tu)(tu)(tu)(tu)(tu)(tu)并(bing)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)得(de)(de)图(tu)(tu)(tu)(tu)(tu)(tu)象(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)斜率(lv)(lv)(lv)(lv)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)k,则(ze)(ze)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)丝(si)(si)(si)(si)(si)(si)(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)___________(用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)题(ti)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)已(yi)给出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)字(zi)(zi)(zi)母表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)),此(ci)法(fa)(fa)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)出(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)较(jiao)(jiao)真实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)___________(填(tian)“偏(pian)大(da)(da)(da)(da)(da)”“偏(pian)小(xiao)(xiao)(xiao)”或(huo)(huo)(huo)(huo)(huo)(huo)“无系(xi)(xi)统误(wu)差”)。 【1年仿真原创(chuang)】 1.(10分(fen)(fen)(fen)(fen)(fen))小(xiao)(xiao)(xiao)明(ming)(ming)同(tong)(tong)(tong)(tong)(tong)(tong)学(xue)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)了(le)准(zhun)确(que)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv),利(li)(li)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)进行(xing)(xing)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang),其(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)径(jing)(jing)(jing)均(jun)匀的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)圆柱(zhu)形玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)侧壁连(lian)接(jie)(jie)(jie)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)细管(guan)(guan)(guan),细管(guan)(guan)(guan)上(shang)加有(you)(you)(you)(you)(you)(you)阀门(men)K,可(ke)(ke)(ke)(ke)以控制(zhi)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang),玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)两(liang)(liang)端(duan)接(jie)(jie)(jie)有(you)(you)(you)(you)(you)(you)导电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)活塞(sai)(sai)(活塞(sai)(sai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)可(ke)(ke)(ke)(ke)忽略),右活塞(sai)(sai)固定(ding)(ding)(ding)(ding)(ding)(ding),左(zuo)活塞(sai)(sai)可(ke)(ke)(ke)(ke)自由移(yi)动(dong)(dong)(dong)(dong)(dong),电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)装满(man)时(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)30Ω,可(ke)(ke)(ke)(ke)供选(xuan)(xuan)(xuan)(xuan)择(ze)(ze)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia): A.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)组(zu)(zu)E(电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)势(shi)(shi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)3V,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)1Ω); B.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A1(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~100mA,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)5Ω); C.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)A2(量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)程(cheng)(cheng)(cheng)0~0.6A,内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)约为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)0.2Ω); D.电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)R(0~999.9Ω); E.开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan)S和(he)(he)(he)(he)(he)导线(xian)(xian)(xian)(xian)若(ruo)(ruo)(ruo)干(gan),游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)、刻度(du)(du)(du)尺(chi)(chi)(chi) 小(xiao)(xiao)(xiao)明(ming)(ming)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)操作(zuo)(zuo)(zuo)步骤(zhou)如(ru)下(xia)(xia)(xia)(xia)(xia)(xia): a.用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)径(jing)(jing)(jing)d; b.根(gen)(gen)据(ju)(ju)(ju)(ju)(ju)(ju)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)提供的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai),按(an)图(tu)(tu)(tu)(tu)(tu)(tu)甲(jia)(jia)(jia)(jia)连(lian)接(jie)(jie)(jie)好(hao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu),调节(jie)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)使(shi)(shi)(shi)(shi)其(qi)(qi)(qi)(qi)(qi)(qi)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)较(jiao)(jiao)大(da)(da)(da)(da)(da),闭(bi)(bi)(bi)合(he)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan); c.将(jiang)(jiang)(jiang)左(zuo)活塞(sai)(sai)向(xiang)右移(yi)动(dong)(dong)(dong)(dong)(dong),使(shi)(shi)(shi)(shi)活塞(sai)(sai)与(yu)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)充分(fen)(fen)(fen)(fen)(fen)接(jie)(jie)(jie)触(chu),调整电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),使(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)满(man)偏(pian),记录(lu)(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du)L; d.打开(kai)(kai)(kai)(kai)(kai)(kai)阀门(men)K,适(shi)当放出(chu)(chu)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)定(ding)(ding)(ding)(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye),将(jiang)(jiang)(jiang)左(zuo)活塞(sai)(sai)右移(yi),调整电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)接(jie)(jie)(jie)入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),使(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)再次(ci)(ci)满(man)偏(pian)。重复多(duo)(duo)次(ci)(ci),记录(lu)(lu)(lu)(lu)每(mei)一(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)次(ci)(ci)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du)L; e.断(duan)(duan)(duan)开(kai)(kai)(kai)(kai)(kai)(kai)开(kai)(kai)(kai)(kai)(kai)(kai)关(guan)(guan)(guan)(guan)(guan)(guan)(guan),整理好(hao)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)材(cai)(cai)(cai)(cai)(cai)。 (1)测(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)径(jing)(jing)(jing)时(shi)(shi)(shi)(shi),游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)乙(yi)(yi)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)d=_______________mm; (2)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)应(ying)选(xuan)(xuan)(xuan)(xuan)择(ze)(ze)_________(选(xuan)(xuan)(xuan)(xuan)填(tian)“A1”或(huo)(huo)(huo)(huo)(huo)(huo)者“A2”); (3)小(xiao)(xiao)(xiao)明(ming)(ming)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)记录(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)多(duo)(duo)组(zu)(zu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)R和(he)(he)(he)(he)(he)对(dui)应(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)长(zhang)(zhang)(zhang)度(du)(du)(du)L的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju),绘出(chu)(chu)了(le)如(ru)图(tu)(tu)(tu)(tu)(tu)(tu)丙(bing)(bing)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)R—L关(guan)(guan)(guan)(guan)(guan)(guan)(guan)系(xi)(xi)图(tu)(tu)(tu)(tu)(tu)(tu)线(xian)(xian)(xian)(xian),如(ru)果(guo)图(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)纵轴的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)(jie)距用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)R0表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),横(heng)轴的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)(jie)距用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)L0表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),玻(bo)(bo)(bo)璃(li)(li)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)径(jing)(jing)(jing)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)d表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi),则(ze)(ze)实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)达(da)(da)(da)式(shi)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei),如(ru)果(guo)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)坐(zuo)(zuo)(zuo)(zuo)标(biao)(biao)系(xi)(xi)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)截(jie)(jie)距数(shu)(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)(ju)和(he)(he)(he)(he)(he)游(you)(you)标(biao)(biao)卡尺(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)读(du)(du)(du)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)出(chu)(chu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液(ye)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)为(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)Ω﹒m(结(jie)(jie)果(guo)保(bao)(bao)(bao)留(liu)两(liang)(liang)位(wei)(wei)(wei)(wei)有(you)(you)(you)(you)(you)(you)效(xiao)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)(zi))。 (4) 若(ruo)(ruo)(ruo)本实(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)操作(zuo)(zuo)(zuo)、读(du)(du)(du)数(shu)(shu)(shu)(shu)(shu)(shu)(shu)和(he)(he)(he)(he)(he)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)均(jun)正(zheng)确(que)无误(wu),由于电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(biao)内(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)(nei)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)存(cun)在(zai)(zai)(zai)(zai)(zai),而计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)时(shi)(shi)(shi)(shi)没有(you)(you)(you)(you)(you)(you)考虑,则(ze)(ze)计(ji)(ji)(ji)(ji)算(suan)(suan)(suan)(suan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)所(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)(suo)得(de)(de)结(jie)(jie)果(guo)将(jiang)(jiang)(jiang)_________(填(tian)“偏(pian)大(da)(da)(da)(da)(da)”或(huo)(huo)(huo)(huo)(huo)(huo)“偏(pian)小(xiao)(xiao)(xiao)”或(huo)(huo)(huo)(huo)(huo)(huo)“没有(you)(you)(you)(you)(you)(you)影响(xiang)”)。
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