[問題] 鏡像電荷
小弟初次在貴版發文,若有不周之處請多包涵~
在做電磁學時有用鏡像法求出電位分布,並且回頭去求電荷分布。
我的問題是:為何鏡像電荷與實際上導體的感應電荷會相同?能用
物理觀念或是數學上的式子導正嗎?我看了Griffith的電磁學及Feynman
的物理學講義,他們都說兩者「應該要相等」,卻都沒有再詳細
深入說明。或者其實是不一定如此?(兩本書都用導體球作為例子。)
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