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1. 如下圖所示之電路為電感電流對時間變化圖,已知電感為 10H,求當 t = 4ms 時,電感兩端電壓 VL為多少伏特? (A)5 (B)10 (C)15 (D)20 V。
問題詳情
1. 如下圖所示之電路為電感電流對時間變化圖,已知電感為 10H,求當 t = 4ms 時,電感兩端電壓 VL為多少伏特?
(A)5
(B)10
(C)15
(D)20 V。
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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