Задача 30865.

AC voltage, current value is Ud = 220 V, and the frequency v = 50 Hz, is applied to the coil without core inductance L = 31,8 mH and active resistance R = 10 ohms. Find the amount of heat generated in the coil in one second.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
If you have any questions about the decision to write. I try to help.