問題詳情
4.承第一題，若 V1=sin(2000πt)V時，則示波器測量到的電壓波形，下列何者較為正確?
(A)直流
(B)正弦波
(C)脈波
(D)三角波。
(A)直流
(B)正弦波
(C)脈波
(D)三角波。
參考答案
答案：B
難度：非常困難0
統計：A(1),B(0),C(0),D(0),E(0)
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