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批踢踢實業坊 Examination 板
 
[問題] 法拉第感應電位的正負號
Dec 19th 2014, 15:13, by mot453

作者mot453 (exercise)

看板Examination

標題[問題] 法拉第感應電位的正負號

時間Fri Dec 19 15:13:34 2014

電場的線積分可以決定電位， 但在求感應電動勢的時候，積分路徑要怎麼決定呢? 正負號就會不一樣，且為甚麼Cheg電磁學會少一個負號呢 (Cheng教科書 Vemf = S E dl 與一般 V = -S E dl，S皆從低電位至高電位) 每次算EMF都會跟解答相差一個負號 請教各位 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 117.56.213.49 ※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1418973216.A.C80.html

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