問題詳情
29 某平行金屬板電容器，將其極板面積加倍，但板間距離減半，則其電容量為原來的幾倍？
(A)不變
(B)1/4 倍
(C)4 倍
(D)2 倍
(A)不變
(B)1/4 倍
(C)4 倍
(D)2 倍
參考答案
無參考答案
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