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Two concentric spherical metal shells are insulated from each other and form the surroundings. The inner shell carries a charge +2q, and the outer shell carries a charge -1q.
Part (A): In electrostatic equilibrium, what is the charge on the outer surface of the inner shell?
Part (B): In electrostatic equilibrium, what is the charge on the inner surface of the outer shell?
Part (C): In electrostatic equilibrium, what is the charge on the outer surface of the outer shell?
Part (D): The shells are then connected to each other by a metal wire. Calculate the charges on the surfaces for the situation obtained after electrostatic equilibrium is reached.
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