101年國營事業電子學一題 - 考試
By Candice
at 2013-01-03T10:41
at 2013-01-03T10:41
Table of Contents
※ [本文轉錄自 Electronics 看板 #1GuiBvYC ]
作者: skepticism (一切推理取決於心) 看板: Electronics
標題: [問題] 全波整流器的的漣波百分率
時間: Tue Jan 1 19:05:27 2013
摘自 經濟部所屬事業機構101年新進職員甄試 試題
電子學和計概 選擇No.56
Q:試求全波整流電路之輸出波形(未濾波前)的漣波百分率為何?
A)55% B)48% C)32% D)63%
ANS:B
請問為何?
我想法是(Vr/Vdc)*100%
Vr=Vp Vdc=2Vp/pi 就算不出來了..
Vdc是平均電壓
--
作者: skepticism (一切推理取決於心) 看板: Electronics
標題: [問題] 全波整流器的的漣波百分率
時間: Tue Jan 1 19:05:27 2013
摘自 經濟部所屬事業機構101年新進職員甄試 試題
電子學和計概 選擇No.56
Q:試求全波整流電路之輸出波形(未濾波前)的漣波百分率為何?
A)55% B)48% C)32% D)63%
ANS:B
請問為何?
我想法是(Vr/Vdc)*100%
Vr=Vp Vdc=2Vp/pi 就算不出來了..
Vdc是平均電壓
--
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