[問題] 電力線 磁力線區別
電力線是由+~-
磁力線外部由n~s 內部s~n
那雙方還有什麼差別 電場為何非純量場 且受靜電力作用 兩方具電位差時為何不是產生電
問第4題和磁力線和電力線之間的區別
感謝
http://i.imgur.com/37WKeWp.jpg

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※ 編輯: rey9810 (220.143.190.120), 11/26/2016 11:18:37
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