作者kira1116 (kira1116)
看板Physics
標題[問題] 大學電磁學問題
時間Sat Jun 9 16:11:17 2012
有題有關電磁學的問題一直想不透
不曉得如何下手想請問版上的大大
題目如下
You have a parallel plate capacitor with area S.
The capacitior is connected to a time-varying voltage source V(t),
providing a time-varying current with amplitude of Io.
Asuume you can neglect edge effects.
(a) Find the amplitude of the displacement current density in each dielectric
(b) Find the electric field intensity in each dielectric.
(c) Find the voltage amplitude across the capacitor.
Q - - - - - - - - - - - - - - -Q
S| | |S
| | |
| D1 | D2 |
| E1 | E2 |-----|
|-----| | | |
| | | | |
| | | | |
| | | | |
| |
| |
--------------------V-------------------
+ -
根據題目的圖
那個平行板電容應該是中間分了兩層不同的介電質
(第一次發文不曉得可不可以在這裡問)
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