3如图是多用表的刻度盘当选用量程为50ma的电流挡测量电流时表针指于图示位置则所测电流为 Ma若选用倍率为“×100 的电阻挡测电阻时 Sketch Coloring Page

3如图是多用表的刻度盘当选用量程为50ma的电流挡测量电流时表针指于图示位置则所测电流为 Ma若选用倍率为“×100 的电阻挡测电阻时 Template

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tomski3如图是多用表的刻度盘当选用量程为50ma的电流挡测量电流时表针指于图示位置则所测电流为 ma若选用倍率为“×100 的电阻挡测电阻时 coloring

3如图是多用表的刻度盘当选用量程为50mA的电流挡测量电流时表针指于图示位置则所测电流为 mA若选用倍率为“×100 的电阻挡测电阻时 sketch template

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1如图为一多用电表的刻度盘ab为两次测量中指针的位置其中a为用直流电压25V时指针的位置此时电表读数为055Vb为直流电流 sketch template

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题目某兴趣小组自制了一个多量程的欧姆表其电路图如图甲所示其中电池的电动势E = 15 V内阻可忽略不计表头G量程Ig 60 sketch template

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