A thick, conducting, spherical shell of inner radius a = 0.8 cm and outer radius b = 1.4 cm is uncharged. The shell surrounds a point charge +Q =…

A thick, conducting, spherical shell of inner radius a = 0.8 cm and outer radius b = 1.4 cm is uncharged. The shell surrounds a point charge +Q = 5.80×10-3 C at its center (see the figure). What is the surface charge residing on the inner surface of the shell?