作者aacvbn ( 姿势+)
看板Grad-ProbAsk
标题[电磁]-云科90-电资所
时间Tue Jan 5 11:24:55 2010
http://www.lib.yuntech.edu.tw/exam_new/90/el.pdf
第14页第2题 有附图@@
The insulator between the inner conducting cylinder a and outer
cylindrical shell b is composed of four sectors of equal
dimensions but different dielectric constants,
ε_1 ε_2 ε_3 and ε_4 ,see Fig.2. The radius of cylinder a is (r_a)
and the inner radius of outer cylindrical shell b is (r_b).
In case the cylinders extend indefinitely ,
find the capacitance per unit length.
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◆ From: 163.22.18.84
1F：推 blackant:4个电容并联~over 01/05 23:04
2F：→ aacvbn:这题有详解 跟前两题一样 赠600P 拜拖各位高手了~~ 01/06 01:53