作者aacvbn ( 姿势+)
看板Grad-ProbAsk
标题[理工] [电磁]-云科96-光电所
时间Tue Jan 5 11:00:49 2010
96云科光电所
http://www.lib.yuntech.edu.tw/exam_new/96/de.pdf
[最末页第五题]
Find the resistance between two concentric spherical surfaces
of radii R1 and R2 (R1<R2) if the space between the surfaces
is filled with a homogenous and isotropic material having a
conductivity σ.
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 163.22.18.84
1F：推 blackant:R=dl/σdA 积分出来就可得解 01/05 23:12
2F：→ aacvbn:这题有详解 赠600P 拜拖各位高手了~~ 01/06 01:52