Задача 31428.

The current from the line to the consumer is fed via copper wire with a total length of 50 m and diameter of 2.5 mm ^ 2. Tension in the line of 120 V. The customer is the furnace capacity of 600 watts. What is the resistance of the furnace?

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.