問題詳情
7.證明：在交流電路中(設正弦型交流電之角頻率為ω，電感器(設電感=L)之 端電壓的相位會領先其電流相位90度，而且該端電壓之振幅除以電流之振幅 會等於ωL(10%)
參考答案
答案：D
難度：適中0.642857
統計：A(1),B(0),C(3),D(9),E(0)
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