11 - Electromagnetics Workshop Week 11 Solutions Review for...

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Unformatted text preview: Electromagnetics Workshop Week 11 Solutions Review for 2 nd Exam Problem 1 : A infinitely Long cylindrical shell of radius a has the uniform charge density 2 [ / ] s C m . a) Calculate the potential inside the shell, by integrating the electric field. Assume that the potential is zero on the z axis. b) Calculate the potential outside the shell, by integrating the electric field. Assume again that the potential is zero on the z axis. c) Modify your answers to the above two parts to obtain the solutions if the potential on the z axis is 10 [V]. By Gausss Law: 0, , s E a a E a = < = Note ( 0) = = a) ( ) (0) 0[V], d a - = - = < b) ( ) (0) ln [V], a s s a a a a d d a - = - - = Now ( 0) 10 = = c) '( ) 10[V], a = < '( ) ln 10[V], s a a a = + 1 Electromagnetics Workshop Week 11 Solutions Review for 2 nd Exam Problem 2 : A metal sphere of radius a is in air. The dielectric breakdown of the air is A metal sphere of radius a is in air....
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This note was uploaded on 10/25/2011 for the course ECE 2317 taught by Professor Staff during the Fall '08 term at University of Houston.

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11 - Electromagnetics Workshop Week 11 Solutions Review for...

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