13.如圖(三)所示之方波電壓波形，其有效值電壓為何？ (A) 10 V(B) 10 √2 V(C) 20V(D) 20 √2 V

問題詳情

13.如圖(三)所示之方波電壓波形，其有效值電壓為何？

(A) 10 V
(B) 10 √2 V
(C) 20V
(D) 20 √2 V

參考答案

答案：C
難度：適中0.428571
統計：A(0),B(4),C(3),D(0),E(0)

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