Задача 31430.

From a mobile power station that provides an output voltage of 380 V is required to transfer energy to a distance of 1 km. Power consumption 20 kW. Find the minimum power losses in the network, if the diameter of the lead wires of copper 0.5 cm.

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.