problem21_98

University Physics with Modern Physics with Mastering Physics (11th Edition)

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21.98: a) , y x E E = and ( 29 where , 4 1 2 2 2 2 2 0 charge , wire of length a Q a x x x Q πε E E + = = . 2 , 2 2 2 0 2 0 a πε Q E a πε Q E a x y x - = - = = b) If all edges of the square had equal charge, the electric fields would cancel by
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Unformatted text preview: symmetry at the center of the square....
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