Two Conducting Spheres, One Having Twice the Diameter of the Other

question 42

Multiple Choice

Two conducting spheres, one having twice the diameter of the other, are separated by a distance large compared to their diameters. The smaller sphere (1) has charge q and the larger sphere (2) is uncharged. If the spheres are connected by a long thin wire and come to equilibrium:

• A) 1 and 2 have the same potential
• B) 2 has twice the potential of 1
• C) 2 has half the potential of 1
• D) 1 and 2 have the same charge
• E) all of the charge is dissipated

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