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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

Two concentric spheres kept in air have radii ‘R’ and ‘r’. They have similar charge and equal surface charge density ‘’. The electric potential at their common centre is ( = permittivity of free space)

Answer: (A)

Solution

Each shell contributes and at the centre; with charges of the

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Question ID VK-075716