問題詳情
44. 假設V(t) =V均方根值為v1，當V(t)通過一個理想全波整流器後，其輸出電壓之均方根值為v2，則v1/ v2為何？
(A) 0.5
(B) 0.707
(C) 1
(D) 2
(A) 0.5
(B) 0.707
(C) 1
(D) 2
參考答案
無參考答案
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