基本電學一題 - 國營工作討論
By Edwina
at 2019-08-20T11:51
at 2019-08-20T11:51
Table of Contents
https://imgur.com/a/wERocZU
如圖,第50題.題目很簡單但是我怎麼算都沒有2A這答案.
流經1歐姆向下電流為I1,但是右邊相依電流源電流也是I1向上.
所以4V電池電流為零不供電,得出節點電壓為4V.
電流就是4A,為何答案卻是2A?
是我哪裡電流有理解錯嗎?
還請版上各位解惑.
--
如圖,第50題.題目很簡單但是我怎麼算都沒有2A這答案.
流經1歐姆向下電流為I1,但是右邊相依電流源電流也是I1向上.
所以4V電池電流為零不供電,得出節點電壓為4V.
電流就是4A,為何答案卻是2A?
是我哪裡電流有理解錯嗎?
還請版上各位解惑.
--
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國營
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