(Solved): Two spherical, conducting shells are concentric and oppositely charged. The inner shell has an out ...

Two spherical, conducting shells are concentric and oppositely charged. The inner shell has an outer radius of \( r=a \), the outer shell has an inner radius \( r=b \) as shown. a) Draw the charge and the E field on the diagram above. b) Calculate the E field. c) Calculate the potential difference between the two shells.