EEE224_Fall09_ProblemSet4_solutions

# EEE224_Fall09_ProblemSet4_solutions - Find the total...

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EEE-224 PROBLEM SET # 4 (Static Electric Fields - 2) Q.1) (a) Determine the boundary conditions for the tangential and normal components of P r (polarization vector) at an interface between two perfect dielectric media with dielectric constants 1 r ε and 2 r . (b) What are the boundary conditions that must be satisfied by the electric potential at an interface between two dielectrics with dielectric constants 1 r and 2 r ? 1

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Q.2) (N: normal component, t: tangential component) Solution: 2
Q.3) (r is R in our notation of spherical coordinates) Solution: 3

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Q.4) Four 0.8-nC point charges are located in free space at the corners of a square 4cm on a side. (a)

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Unformatted text preview: Find the total potential energy stored. (b) A fifth 0.8-μ C charge is installed at the center of the square. Again find the total stored energy. 4 Q.5) (S: area, d: separation) Solution: Q.6) 5 Q.7) (Use Laplace’s equation) 6 Q.8) Assume that a point charge, Q, is located at a distance D from an infinitely large, perfectly conducting, grounded plane as shown in the figure. Determine the total electrostatic energy of the system. 7...
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## This note was uploaded on 01/07/2011 for the course EE 209 taught by Professor Alexander during the Spring '10 term at Middle East Technical University.

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EEE224_Fall09_ProblemSet4_solutions - Find the total...

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