试题与答案

如图所示是两个灯泡并联后通过开关接在电源上的实物连接图,其中电流表测干路中的电流

题型:问答题

题目:

如图所示是两个灯泡并联后通过开关接在电源上的实物连接图,其中电流表测干路中的电流,电压表测并联电灯的电压,给出的实物图中有两根导线接错了.

(1)找出接错的导线,用“×”表示,并将正确的连线画在图上(用虚线表示);

(2)如果不更正错误,电流表和电压表的示数情况如何?

(3)画出改正后的电路图.

答案:

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