3.某RL並聯電路的電阻R=3Ω,電感抗XL=3Ω。若總消耗電流為8sin(377t) A,則流經電阻的電流為何?
(A) 4
sin(377t+45°) A
(B) 4
sin(377t-45°) A
(C) 4 sin(377t+45°) A
(D) 4 sin(377t-45°) A
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統計: A(2), B(0), C(0), D(0), E(0) #3580192
統計: A(2), B(0), C(0), D(0), E(0) #3580192