4.某電容的端電壓v =100sin1000 tV、電容為電容為50 μF ,則此穩態的電容電流為:
(A) 10sin1000t A
(B) 10cos1000t A
(C) 5sin1000t A
(D) 5cos1000t A
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統計: A(12), B(35), C(111), D(323), E(0) #820708
統計: A(12), B(35), C(111), D(323), E(0) #820708