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JEE Main 2011 Physics question

PhysicsElectrostatic Potential and CapacitanceJEE Main 2011

The electrostatic potential inside a charged spherical ball is given by where r is the distance from the centre; a, b are constants. Then the charge density inside the ball is

Answer: (3)

Solution

With , . Gauss's law in differential form: $ρ =

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Question ID VK-039308