102佐級電子學大意第9題 - 考試

By Heather
at 2019-10-29T00:21
at 2019-10-29T00:21
Table of Contents
題目:
https://imgur.com/PuSEwr4
答案:
(C)
想法:
二極體的崩潰電壓應該至少要大於
峰值反向電壓PIV,而橋式全波整流
的PIV = Vm = 10√2 ≒14.142,
只有(D)選項大於14.142v,所以選
(D),結果竟然是(C),不知道我的
觀念哪裡有問題?請各位前輩不吝
指教,謝謝。
--
https://imgur.com/PuSEwr4
答案:
(C)
想法:
二極體的崩潰電壓應該至少要大於
峰值反向電壓PIV,而橋式全波整流
的PIV = Vm = 10√2 ≒14.142,
只有(D)選項大於14.142v,所以選
(D),結果竟然是(C),不知道我的
觀念哪裡有問題?請各位前輩不吝
指教,謝謝。
--
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考試
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