試卷名稱:109年 - 108 國立中山大學_碩士班招生考試_電機系(丁組):電路學#124085
年份:109年
科目:中山◆電機◆電磁學
8. AC voltage source 100cos(377t) V is applied to an inductor (100mH). Choose a false statement.
(A) instantaneous power is equal to average power
(B) reactive power is equal to apparent power
(C) power factor is equal to 0
(D) average power is equal to 0