103鐵特 基本電學 - 考試
By Steve
at 2014-06-19T16:18
at 2014-06-19T16:18
Table of Contents
※ 引述《vince0503123 (ChenWen)》之銘言:
: 103鐵特 基電第11題
: http://i.imgur.com/beEvOgy.jpg
: 麻煩大家謝謝
請問這題大家是怎麼算的?
我一開始看到想說用戴維寧會比較好算
Rth是很簡單但
Vth就算不出來了...
所以後來改用節點電壓法去列式解聯立
用v1 v2 v3 三個代數去解 之後用 V3/15 = I 解出來是 0.125 A
不管答案對或錯
我列完式加解完 大概也7.8分鐘跑不掉了..........
練習完的成績也不甚理想
超怕台電也出這樣的題目....
本來建立起來的信心在練習完之後也完了....
--
: 103鐵特 基電第11題
: http://i.imgur.com/beEvOgy.jpg
: 麻煩大家謝謝
請問這題大家是怎麼算的?
我一開始看到想說用戴維寧會比較好算
Rth是很簡單但
Vth就算不出來了...
所以後來改用節點電壓法去列式解聯立
用v1 v2 v3 三個代數去解 之後用 V3/15 = I 解出來是 0.125 A
不管答案對或錯
我列完式加解完 大概也7.8分鐘跑不掉了..........
練習完的成績也不甚理想
超怕台電也出這樣的題目....
本來建立起來的信心在練習完之後也完了....
--
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考試
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