問題詳情
3．关于电容器的电容C、电压U和所带电荷量Q之间的关系。以下说法正确的是
(A)C由U确定
(B)C由Q确定
(C)C一定时，Q与U成正比
(D)C一定时，Q与U成反比
(A)C由U确定
(B)C由Q确定
(C)C一定时，Q与U成正比
(D)C一定时，Q与U成反比
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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