Physics, asked by nikitajha400, 1 year ago

Please help me to solve question no. 27

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Answered by Armaanjit

As V=kq\r2 , when Q is positive, Va will be greater than Vb ,therefore Va-Vb will be positive due to ra >rb...........
when Q is negative , Va will be less than Vb and Va-Vb will be negative.

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