[問題] 電磁波問題

看板Physics作者 (shining)時間16年前 (2010/03/17 11:36), 編輯推噓2(200)
留言2則, 2人參與, 最新討論串1/2 (看更多)
以下是我的問題 請問有神人可以幫我解答嗎?   Consider two distinct fields Ea, Ha and Eb,Hb,which are not necessarily related.    Suppose that the two fields are harmo nic functions of the time with the same frequency. (1) Shat that                                                     ▽˙(Ea×Hb-Eb×Ha)=0 This is know as Lorentz‵s lemma. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 120.107.174.108

03/17 12:35, , 1F
reciprocity theorem
03/17 12:35, 1F

03/17 14:45, , 2F
用波映庭定理解
03/17 14:45, 2F
文章代碼(AID): #1Be4vOkL (Physics)
文章代碼(AID): #1Be4vOkL (Physics)