問題詳情
48.—交流電路，電源電壓V(t) = 200sin(377t+60°)，電路電流i(t) = 10sin(377t+30°),則此電路之視在功率S爲多少伏安？
(A) 500
(B) 1000
(C)1000 √3
(D) 2000
(A) 500
(B) 1000
(C)1000 √3
(D) 2000
參考答案
答案：B
難度：困難0.306306
統計：A(7),B(34),C(29),D(23),E(0)
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