Homework Answers
A) E = sigma/(2*epsilon_0)
sigma is the surface charge density
B) at A
E = [sigma/(2*epsilon_o)] + [sigma/(2*epsilon_o)] =
E = [sigma/(epsilon_o)].........
at B
E = [sigma/(2*epsilon_o)] - [sigma/(2*epsilon_o)] + [3*sigma/(2*epsilon_o)] = [3*sigma/(2*epsilon_o)]
at P
E = [sigma/(2*epsilon_o)] - [sigma/(2*epsilon_o)] -
[3*sigma/(2*epsilon_o)] = [-3*sigma/(2*epsilon_o)]
C) at B
Force on Q is F = Q*E = Q*[3*sigma/(2*epsilon_o)] = 3*Q*sigma/(2*epsilon_0)
at A
force on Q is F = Q*E = Q*sigma/(epsilon_o)
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parallel to each other as shown in the diagram below. Express your
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The three parallel planes of charge shown in the figure (Figure
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