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A ring of radius R is charged such that half of the ring has lamda1 linear charge density and other half has lamda 2 linear charge density. The net potential at the centre of the ring is
Asked by madhuraghunathan11 | 25 Mar, 2024, 08:26: AM
Expert Answer
Electric potential at a point P due to a charge q is directly proportional to charge and inversely proportional to the distance between point P and charge.
In the case of charged ring all charges are at equal distance from center .
Half the ring has psitive charge and other half has negative charge .
Hence if we add the electric potential due to all charges in the ring , we get zero.
Electric potential at centre of the ring is zero , if half the ring has positive charge and other half has negative charge.
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