Задача 31415.

Conducting sphere of radius 5 cm carries a charge of 10 nC. Determine the potential on the surface of the sphere and the work force of the electric field on the charge transfer from a point located at a distance R from the surface of a sphere, a point at a distance from the surface of the sphere 3R.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I try to help.