問題詳情
18. 如下圖所示的電壓對時間曲線圖，若該電壓跨接在 2F 的電容器之上，試求流過電容器的電流值為何？
(A) 5A
(B) 2.5A
(C) -5A
(D) -2.5A。 
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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