作者chuo11 (草之摆)
看板TransPhys
标题[考古] 请问97年台联大A3
时间Fri Jul 3 10:27:38 2009
第11题
There is an infinite dielectric slab lying on the x-y plane,which has an
uniform polarization P along the x-direction, as shown in fig. 5 The
thickness of the slab is d ,What is the electric field inside the
dielectric slab?
看不懂题目在问啥?
http://www.lib.nthu.edu.tw/library/department/ref/exam/97t/pdf/97A3~033.pdf
--
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 122.125.51.218
1F:推 white425:看不懂+1 07/03 10:52
2F:推 FightAcidlly:答案是(e) 这是大二的电磁 标准的刁难题 不要管他= = 07/03 17:23
3F:→ FightAcidlly:P是单位体积的dipole moment 07/03 17:24
4F:→ FightAcidlly:如果知道定义的话可以直接写 但普物不会有人知道这个 07/03 17:24
5F:→ GLP:这补习班有教到@@ 07/03 17:57
6F:→ white425:所以dipole P的定义是什麽? P=q*d/V吗?? 07/03 18:30
7F:推 goodhow:没头绪..请高手指教 07/04 17:33