The voltage on the power buses 10 kV. Distance to the consumer 500 km (two-wire line). The station should provide the user with the power of 100 kW. The loss of voltage on the wires should not exceed 4%. Calculate the mass of copper wires in the power-to-consumer site.

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.