[問題] 電磁學
※ [本文轉錄自 Grad-ProbAsk 看板]
作者: brazavi (none) 看板: Grad-ProbAsk
標題: [問題] 電磁學
時間: Mon Feb 2 15:17:13 2009
A slab of linear dielectric material of permittivity ε
is partially inserted between the plates of a parallel-plate
capacitor of width W, length L, and separation d.
The capacitor is charged to a voltage Vo by a battery
Determine the electric force on the slab after the battery
is disconnected.
從題目敘述...似乎系統應該是電荷固定
可是洪燁電磁學裡面卻是用電壓固定系統來算受力
請問到底是...?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 220.136.208.141
推
02/02 16:03,
02/02 16:03
→
02/02 16:04,
02/02 16:04
→
02/02 18:00,
02/02 18:00
推
02/02 21:05,
02/02 21:05
→
02/02 21:06,
02/02 21:06
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 220.136.208.141
→
02/02 23:01, , 1F
02/02 23:01, 1F
推
02/03 12:54, , 2F
02/03 12:54, 2F
討論串 (同標題文章)