42. 1 Ω 之電阻器通過i = 10sin (377t + θ)安培時,電阻器所消耗之功率為何?
(A) 50 W
(B) 100 W
(C) 200 W
(D) 300 W
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統計: A(83), B(26), C(18), D(6), E(0) #3081782
統計: A(83), B(26), C(18), D(6), E(0) #3081782