Решение задачи по физике раздел 39 пункт 3 электро

3. Village Power consumption P = 1200 kW, located l = 5 km from the power plant. The transfer of energy is performed at a voltage U = 60 kV. Permissible relative voltage drop (and power) cables% k = 1 What is the minimum diameter d may be copper wire transmission lines?

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)