問題詳情
40. 某單一負載元件交流電路，其電源電壓v(t)＝10sin(ωt)，若線路電流i(t)＝2cos(ωt)，則此元件是什麼？
(A)電阻
(B)電感
(C)電容
(D)導線
(A)電阻
(B)電感
(C)電容
(D)導線
參考答案
無參考答案
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