基本電學問題 - 考試
By Faithe
at 2013-05-29T11:37
at 2013-05-29T11:37
Table of Contents
1. http://ppt.cc/U7c3
這題兩對角線電阻乘積一樣,所以是惠思燈電橋,中間那條理應斷路無電流通過
可是為啥中間還會有3A的電流呢?這題有快速解法嗎?
詳解設兩次節點電壓法,寫的實在很長
2. http://ppt.cc/QgB7
詳解說100Ω所消耗功率是0.16(W)
那這裡的額定功率是指100Ω的額定功率嗎?
可是100Ω所消耗功率>額定功率,那這100Ω的物件不會超載而炸掉嗎?
謝謝
--
這題兩對角線電阻乘積一樣,所以是惠思燈電橋,中間那條理應斷路無電流通過
可是為啥中間還會有3A的電流呢?這題有快速解法嗎?
詳解設兩次節點電壓法,寫的實在很長
2. http://ppt.cc/QgB7
詳解說100Ω所消耗功率是0.16(W)
那這裡的額定功率是指100Ω的額定功率嗎?
可是100Ω所消耗功率>額定功率,那這100Ω的物件不會超載而炸掉嗎?
謝謝
--
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考試
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at 2013-05-30T13:55
at 2013-05-30T13:55
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