A hollow sphere of interior radius 3 cm and exterior radius 5 cm contains charge uniformly distributed throughout its volume with a density o 4 10-5/TT C/m3. At its center is a conducting sphere of radius 1 cm charged with -4 · 10-9 C. a) Obtain, reasonably, the expression of the electric field in the following regions r <1, 1

A hollow sphere of interior radius 3 cm and exterior radius 5 cm contains charge uniformly distributed throughout its volume with a density o 4 10-5/TT C/m3. At its center is a conducting sphere of radius 1 cm charged with -4 · 10-9 C. a) Obtain, reasonably, the expression of the electric field in the following regions r <1, 1