Thank you very much for the response. The whole charge is on the surface, but doesn't that include the inner surface and thus the surface of the inner sphere? Why does it lose the surface charge when it goes back to its original position? Thanks again.
Homework Statement
(From Physics for Scientists and Engineers, 7E, Serway-Jewett Chapter 25 Q11)
(i) A metallic sphere A of radius 1 cm is several centimeters away from a metallic spherical shell B of radius 2 cm. Charge 450 nC is placed on A, with no charge on B or anywhere nearby. Next...