Задача 30522.

Posting from the highway in the building carried a wire whose resistance R = 0,5 Ohm. Tension in the line constant and equal to U = 127 V. What is the maximum power consumption in the building, if the voltage on the devices included in the network should not fall below Un = 120 V?

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

If you have any questions to address, please. I´ll try to help.