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作者 ed78617 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共4則
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1F推: 題目1: E = -k/(ε0*r) for 0<R<a E = 0 for R>a08/12 09:00
2F→: bound charge算一算,再用高斯定律就求出來了,很簡單08/12 09:01
1F推:▽×Eo是零,因為amplitude是constant vector03/19 10:11
1F推:這...要看題目給你什麼啊05/25 23:08
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