13. 將電感抗 $X_L$ = 10 Ω 之電感與電阻值 R = 10 Ω 之電阻,若兩者並聯,其等效阻抗為何?
(A)5∠45°Ω
(B)5$\sqrt{2}$∠45°Ω
(C)5∠-45°Ω
(D)5$\sqrt{2}$∠-45°Ω
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統計: A(39), B(374), C(25), D(65), E(0) #2084692
統計: A(39), B(374), C(25), D(65), E(0) #2084692