If the external resistance is equal to internal resistance of a cell of emf E. The current across the circuit is

If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is

An external resistance R is connected to a cell of internal resistance r . The current in the circuit is maximum when :

An external resistance R is connected to a cell of internal resistance r. The current in the circuit is maximum when :

An external resistance R is connected to a cell of internal resistance r. The current in the circuit is maximum when

A cell of e.m.f. 2 V and internal resistance 2Omega and an external resistance 18Omega forms closed circuit. The current through the circuit is

The cells of emf's E_(1) and E_(2) be connector in parallel in a circuit. Let r_(1) and r_(2) be the internal resistance of the cells. Then the current through the circuit is

A cell of emf epsilon and internal resistance r gives a current of 0.5 A with an external resistance of 12 Omega and a current of 0.25 A with an external resistance of 25 Omega . Calculate (a) internal resistance of the cell and (b) emf of the cell.

A cell of emf E and internal resistance 'r' gives a current of 0.5 A with an external resistance of 12 Omega and a current of 0.25A with an external resistance of 25 Omega . Calculate (i) internal resistance of the cell (ii) emf of the cell.

A battery of emf E and internal resistance r is connected is to external resistance B The maximum point is the external circuit is 9W The current flowing in the circuit under the condition is 3A What is the value of E in volt ?