Let `P(r)=(Q)/(piR^4)r` be the charge density distribution for a solid sphere of radius
Channel: Doubtnut
Date: 2020-07-12

Let `P(r)=(Q)/(piR^4)r` be the charge density distribution for a solid sphere of radius R and total charge Q. For a point 'p' inside the sphere at distance `r_1` from the centre of the sphere, the magnitude of electric field is: