Задача 31413.

What kind of work you need to do to move a point charge nC 4 from a point located at a distance of 1 m at a point located at a distance of 1 cm from the surface of the charged sphere of radius 2 cm from the surface charge density of 1 nC / m2?

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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