[理工] [電磁]-雲科90-電資所

看板Grad-ProbAsk作者aacvbn ( 姿勢+)時間14年前 (2010/01/05 11:24)推噓1(1推 0噓 1→)

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http://www.lib.yuntech.edu.tw/exam_new/90/el.pdf 第14頁第2題有附圖@@ 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. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 163.22.18.84

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