Physics, asked by srinu7461, 11 months ago

A ring of radius r has a total charge +q uniformly distributed on it. The electric field and the potential at the center of the ring are 0 and , respectively. Now a charge of magnitude q is constrained to slide along the axis of the ring

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Answered by Madxsam

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we have a charge q at the axis and net electric field and potential is zero (given) then if we move a charge at axis

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