Task 30675.
A metal ball with a radius of 15 cm carries a charge q1 = 10 nC. In contact with him brought a metal ball with a radius of 10 cm, bearing a charge q1 = -25nKl. Determine the potentials and charges of the balls after they are disconnected.
A detailed solution with a brief record of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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