7 An insulating solid sphere of radius R is charged in a non uniform manner such that volume charge A density p r where A is

Question

7 An insulating solid sphere of radius R is charged in a non uniform manner such that volume charge A density p r where A is positive constant and r is the distance from the center Electric field at any inside point at r r is 1 1 4 3 TS 4 A 9 1 A 2 41 A 4 20

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