Physics

Physics

Problem

A spherical shell of radius R=50 cmR = 50\,\text{cm} carries a charge Q=10 μCQ = 10\,\mu\text{C}. A point charge q=−2 μCq = -2\,\mu\text{C} is placed at the center of the shell. Calculate the electric potential at a point PP located at distance r=25 cmr = 25\,\text{cm} from the center.

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