试题与答案

有三个灯泡以并联方式连接,当其中有一个灯泡烧毁时,以下叙述何者为正确() A.其余两

题型:单项选择题

题目:

有三个灯泡以并联方式连接,当其中有一个灯泡烧毁时,以下叙述何者为正确()

A.其余两个灯泡都会熄灭

B.通过正常灯泡的电流会减少

C.整个电路的总电阻就会增加

D.在其余两个灯炮上的电压会增加

答案:

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