8 A spherical charge distribution with a volume charge

Last updated: 6/8/2023

8 A spherical charge distribution with a volume charge density p and radius R contains a spherical cavity where there are no charges as shown in the figure If the radius of the cavity is R 4 determine the force experienced by a point charge Q placed along the line joining the centres of the sphere and the cavity at the following points i at any point r R and ii at any point where 0 r R 4 R p R 2 R 4