A solid, insulating sphere of radius a has a uniform charge densityp and a total charge 2Q. Concentric with this sphere is a charged conducting hollow sphere with charge (-3Q) whose inner and outer radii are b and c, as shown in the figure. 3 (a) Apply Gauss Law to find the magnitude of the electric field at any point ABCD (b) Find the magnitude of the electric field at points A, B, C, and D by using your result in question 3 above (c) Determine the total induced charge on the inner and outer surfaces of the hollow sphere and draw the result clearly

A solid, insulating sphere of radius a has a uniform charge densityp and a total charge 2Q. Concentric with this sphere is a charged conducting hollow sphere with charge (-3Q) whose inner and outer radii are b and c, as shown in the figure. 3 (a) Apply Gauss Law to find the magnitude of the electric field at any point ABCD (b) Find the magnitude of the electric field at points A, B, C, and D by using your result in question 3 above (c) Determine the total induced charge on the inner and outer surfaces of the hollow sphere and draw the result clearly