問題詳情
7.已知交流電壓υ(t) = υ1(t) + υ2(t)，若υ1(t) = 10sin(377t + 30°) V，υ2(t) = 10sin(377t − 30°)V，則υ(t)為何？
參考答案
答案：C
難度：簡單0.849248
統計：A(115),B(133),C(4349),D(524),E(0) #
個人：尚未作答書單：候選人年齡及資格限制、立法院對行政院長的不信任案、立法委員選舉區
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