問題詳情
四、如圖二所示，有一平衡之交流電橋的阻抗分別為：Z1=100 Ω∠50°，Z2=500 Ω，Z3=200 Ω∠30°，以及 Z4未知。求此未知 Z4之阻抗。（20 分）
參考答案
答案：A
難度：簡單0.760643
統計：A(1751),B(169),C(154),D(98),E(0)
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