Задача 31261.

The electrostatic field is generated by the positively charged surface with a constant density of 10 nC / m ^ 2 infinite plane. What kind of work have to make in order to move the electrons along the line of tension at a distance R 1 = R 2 cm to 2 cm = 1?

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