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Does exist a point on y axis which electric field is zero

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Zero field? **

Four charges, q, -q, q, and -q, are located at equally spaced inter- vals on the x axis. Their x values are -3a, -a, a, and 3a, respec- tively. Does there exist a point on the y axis for which the electric field is zero? If so, find the y value.

Reference no: EM13885814

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