Chapter 17, Problem 3P

Two iron spheres contain excess charge, one positive and the other negative, (a) Show how the charges are arranged on these spheres if they are very far from each other. (b) If the spheres are now brought close to each other, but do not touch, sketch how the charges will be distributed on their surfaces, (c) In part (b), show how the charges would be distributed if both spheres were negative.