Задача 30982.

The figure shows a charged plane MN (sigma = -10^-11 C/cm^2) and a sphere (q = 0.02 µC); a = 10 cm. Find: electric field strength at points A and C; work of field forces when moving a point charge qо = 0.1 nC from point A to point C.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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