试题与答案

电阻在电路中是消耗功率的,电阻消耗的功率是电路中()提供的。A.电源 B.导线截面

题型:单项选择题

题目:

电阻在电路中是消耗功率的,电阻消耗的功率是电路中()提供的。

A.电源

B.导线截面

C.电抗

D.周期

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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