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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

Two concentric spherical conducting shells of radii and carry charges and respectively. When both the shells are connected by a conducting wire, the change in potentials on the outer shells is

Answer: (A)

Solution

Before: ; after joining all the charge moves to the outer shell and

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Question ID VK-075526