作者查詢 / ohya74921
作者 ohya74921 在 PTT [ Physics ] 看板的留言(推文), 共80則
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12F推:不一樣吧 =.=10/05 21:31
12F推:其實我也很好奇....完全沒效的話應該也沒辦法賣吧 =0=?08/01 23:18
1F推:就.....因為別人變而變的Source阿 XD09/23 22:57
8F→:會不會電磁理論要大革命了阿 XD09/21 00:21
2F→:原來如此,感謝07/30 00:09
2F推:第二個問題我看過直接證明的07/07 11:04
3F→:在穩態下確實是 div(A)=0.在非穩態下就變成lorentz 條件07/07 11:05
1F→:我不是專業,不過是不是應該要先說哪種電感?05/29 22:50
1F→:有關係,在推導PDE的時候有考慮比熱04/06 19:06
4F→:我的意思是,熱傳方程式的偏微分方程式推過程中有考慮04/07 10:46
1F→:我不懂你的問題 不過看你的式子似乎是問受力03/18 21:39
2F→:受力應該為 F = ∫i dl X B03/18 21:41
3F→:若為均勻場,則積分就是積路徑長 L03/18 21:42
5F→:就...要想辦法算 B 場 XD 不過很難算吧03/18 22:09
6F→:而且還有 上式只對細導線成立...@@03/18 22:10
1F推:從邊界條件下手 (H1-H2)‧ut=(Js X u1n)‧ut02/22 16:25
2F→:B1‧u1n = B2‧u2n , u1n為介質1遠離介面的法向量02/22 16:26
3F→:ut 在此題是 uz , ux02/22 16:26
4F→:由上面兩個邊界條件可以解出 H2 的三個分量02/22 16:28