基本電學 - 考試
By Elizabeth
at 2015-09-08T01:05
at 2015-09-08T01:05
Table of Contents
http://i.imgur.com/9eBHINO.jpg
3.答案是2A,書上詳解我看不懂,求高手指點
4.這邊是要練習重疊的,可是我重疊很爛,習慣用節點
我是這樣算的,設3歐姆上那一點為V
12+(18-V)/9=V/9 → V=63
a點電壓63*(6/3+6)=42 b點電壓=18 Vab=42-18=24 剛好跟答案一樣
請問我這樣算對嗎?
5.我將兩個電流源轉電壓,總V=8+12=20 R=12+2+6=20
20/20=1A 6歐姆上之電壓6V
請問可以這樣做嗎?
--
3.答案是2A,書上詳解我看不懂,求高手指點
4.這邊是要練習重疊的,可是我重疊很爛,習慣用節點
我是這樣算的,設3歐姆上那一點為V
12+(18-V)/9=V/9 → V=63
a點電壓63*(6/3+6)=42 b點電壓=18 Vab=42-18=24 剛好跟答案一樣
請問我這樣算對嗎?
5.我將兩個電流源轉電壓,總V=8+12=20 R=12+2+6=20
20/20=1A 6歐姆上之電壓6V
請問可以這樣做嗎?
--
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考試
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