[問題] 交流功率計算
題目：
V=80∠60度（Vrms）
Z=50∠30度（歐姆）
求複數功率？
解答：S＝90.51＋64j
我是先求出I＝V/Z，接著S=I*V，但是答案不對。
能請各位板友替我解答嗎？
若我思考錯誤也請指正，謝謝。
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