39 某交流電路如右圖所示,若 v(t) = 100 sin(100t)伏特,則其穩態電流 i(t)為多少安培?
(A) 2sin(100t) i(t)
(B)
sin(100t)
(C)
sin(100t-45 ) °
(D) 2sin(100t-45 ) °
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統計: A(13), B(22), C(168), D(18), E(0) #1249775
統計: A(13), B(22), C(168), D(18), E(0) #1249775