請問導體內部內部電場為0
那為什麼中間空腔還有電場
http://i.imgur.com/toBUto8.jpg
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※ 文章網址: https://www.ptt.cc/bbs/Physics/M.1458218040.A.B34.html
※ 編輯: j6cl3 (123.193.252.153), 03/17/2016 20:43:28
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