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Three charged particles having charges qare placed in a line at points a, 0), (0,0) & (a, 0)respectively. The expression for electric potential atP(r, 0) for r>> a is

Answer» Three charged particles having charges qare placed in a line at points a, 0), (0,0) & (a, 0)respectively. The expression for electric potential atP(r, 0) for r>> a is


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