A metal sphere with radius R1 has a charge Q1. Take the electric potential to be zero at an infinite distance from the sphere.
(a) What are the electric field and electric potential at the surface of the sphere? This sphere is now connected by a long, thin conducting wire to another sphere of radius R2 that is several meters from the first sphere. Before the connection is made, this second sphere is uncharged. After electrostatic equilibrium has been reached, what are?
(b) The total charge on each sphere;
(c) The electric potential at the surface of each sphere
(d) The electric field at the surface of each sphere? Assume that the amount of charge on the wire is much less than the charge on each sphere.