108年佐級基本電學大意第12題 - 考試

By Delia
at 2019-11-25T20:25
at 2019-11-25T20:25
Table of Contents
題目:
https://i.imgur.com/nFe33OP.jpg
答案:(C)
想法:
欲求a、b的戴維寧等效電壓,可以先將3歐姆拿掉,然後把電流源換成電壓源,求得戴維寧等效電壓為6v,答案卻是3v,不知道哪裡有誤?還請各位高手不吝指導,謝謝。
https://i.imgur.com/ToqFvxG.jpg
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