基本電學 問題.. - 考試

By Catherine
at 2013-03-01T18:16
at 2013-03-01T18:16
Table of Contents
※ 引述《gg30fe (set)》之銘言:
: 題目如下
: http://ppt.cc/5Yna
: 請大大們教我這題如何解
: 若使用重疊解的話10A培的流向
: 是直接流兩電壓的短路嗎
一、如果使用重疊因為有三個電源要做3次有點麻煩
不過重疊的時候10A電源不會流過中間的電阻...(外側短路)
二、建議使用節點
1.中間最下面假設接地
2.右邊節點8V
3.左邊節點-8V
4.中間節點-Vx-8(V)
5.中間節點假設方程式 (-Vx)/2 + (-Vx-8)/2 + (-Vx-16)/3 =0
Vx= -7V
--
: 題目如下
: http://ppt.cc/5Yna
: 請大大們教我這題如何解
: 若使用重疊解的話10A培的流向
: 是直接流兩電壓的短路嗎
一、如果使用重疊因為有三個電源要做3次有點麻煩
不過重疊的時候10A電源不會流過中間的電阻...(外側短路)
二、建議使用節點
1.中間最下面假設接地
2.右邊節點8V
3.左邊節點-8V
4.中間節點-Vx-8(V)
5.中間節點假設方程式 (-Vx)/2 + (-Vx-8)/2 + (-Vx-16)/3 =0
Vx= -7V
--
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考試
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