基本電學 問題 - 考試
By Susan
at 2013-12-19T16:51
at 2013-12-19T16:51
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
題目:一條通有3.2安培的長直導線,在距離4公分處的磁場強度是距離8公分處的
磁場場度的多少倍?答案:2倍
想法:0.04與0.08代入F=K*m/(d^2),算出4倍@@,有高手可以提點一下嗎?謝謝!
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題目:一條通有3.2安培的長直導線,在距離4公分處的磁場強度是距離8公分處的
磁場場度的多少倍?答案:2倍
想法:0.04與0.08代入F=K*m/(d^2),算出4倍@@,有高手可以提點一下嗎?謝謝!
--
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考試
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