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26.使用示波器測量正弦波電壓信號時,測試棒調於衰減10倍的位置,VOLTS/DIV的旋鈕置於0.5V位置,若此信號的峰對峰值在示波器螢光幕上顯示為4格,則此信號的峰對峰值為多少? (A)0.2 (B
問題詳情
26.使用示波器測量正弦波電壓信號時,測試棒調於衰減10倍的位置,VOLTS/DIV的旋鈕置於0.5V位置,若此信號的峰對峰值在示波器螢光幕上顯示為4格,則此信號的峰對峰值為多少?
(A)0.2
(B)2.0
(C)10
(D)20 V。
參考答案
答案:D
難度:適中0.666667
統計:A(0),B(0),C(1),D(4),E(0)
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