問題詳情
15 如圖所示，試求可變電阻RL可獲得之最大功率： 
(A) 3 W
(B) 6 W
(C) 9 W
(D) 12 W
(A) 3 W
(B) 6 W
(C) 9 W
(D) 12 W
參考答案
答案：B
難度：簡單0.874214
統計：A(2),B(139),C(5),D(13),E(0)
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