Question

Two identical conducting spheres A and B carry equal charge and exert electrostatic forces of magnitude Fon each other. They are separated by a distance much larger than their diameters. A third identical conducting sphere C is uncharged. Sphere C is first touched to A, then to B, and finally removed. As a result, the electrostatic force between A and Bbecomes:
A) F/2
B) F/4
C) 3F/8
D) F/16
E) 0

Answer

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