[題目] 電磁學第五張

看板Physics作者linbanden (冷板凳)時間14年前 (2011/04/15 18:13)推噓0(0推 0噓 4→)

留言4則, 4人參與討論串1/1

[領域] 電磁學 [來源] Introduction to electrodynamics [題目] p.214 problem 5.4 Suppose that the magnetic field in some region has the form B=kz (x direction) find the force on a square loop(side a), lying in the yz plane and centered at the origin, if it carries a current I ,flowing counterclockwise, whenyou look down the x axis answer:Ika^2 (z direcation) [瓶頸] 我怎麼想都覺得合力=0，四個邊不是互相抵銷嗎? 可能是小弟不才不能了解吧! = = -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.43.234.195

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