thermal power developed in the external circuit is P and thermal power developed in the cell is equal to fraction η of total electricity generated in ti. Which of the following graphs is/are correct?
Sahay Sir > Question Answers > thermal power developed in the external circuit is P and thermal power developed in the cell is equal to fraction η of total electricity generated in ti. Which of the following graphs is/are correct?
In fig. battery of e.m.f. E has internal resistance r and a variable resistor. At an instant, a current flowing through the circuit is i, a potential difference between the terminals of a cell is V, thermal power developed in the external circuit is P and thermal power developed in the cell is equal to [...]