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研究所、轉學考(插大)◆電磁學
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88年 - 88 淡江大學 轉學考 電磁學#56180
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題組內容
5.
(a) Write down the differential form of the four Maxwell’s equations in terms of free charges p f and currents Jf for E，B，D，and H respectively* (10 %)
其他申論題
(a) Find the magnetic field of the toroid both inside and outside the coil. (10 %)
#213606
(b) Find the self-inductance of the coil, (5 %)
#213607
(c) Calculate the energy stored in the coil (5 %)
#213608
【已刪除】4. Place a metal ring on top of a solenoidal coil (around an iron corn), turn on the current (flows conuterclockwise if view from the top of the coil) and plug metal ring in，then what will happen? And explain why. (10 %)
#213609
(b) Derive the boundary conditions for these fields at the interface between two different media (medium 1 and medium 2)，where the interface carries free charge density p f or current density Kf‘ (15 %)
#213611
(c) In the case of linear media (medium 1 and medium 2)，show the boundary conditions in terms of E and B alone. (5 %)
#213612
一、 試述錄音資料的種類及規格？
#213613
二、 放映性靜畫的種類有哪些？
#213614
三、何謂"Keystone Effect”？
#213615
四、試述視聽資料的排架原則？
#213616
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