Задача 30533.

The battery EMF E=36V, internal resistance r=1 Ohm. The external circuit consumes power N=68 W. Determine the current I in the circuit, the voltage U under which the external circuit is located and its resistance R.

Detailed solution with a brief entry of the condition, formulas and laws used in the solution, derivation of the calculation formula and the answer. If you have any questions about the solution, write. I will try to help.