When the resistance of `9 Omega` is connected at the ends of a battery, its potential difference decreases from 40 volt to 30 volt . The internal resistance of the battery is

The current in a circuit containing a battery connected to 2Omega resistance is 0.9A. When a resistance of 7Omega is connected to the same battery, the current observed in the circuit is 0.3A. Then the internal resistance of the battery.

The current in a circuit containing a battery connected to 2Omega resistance is 0.9A. When a resistance of 7Omega is connected to the same battery, the current observed in the circuit is 0.3A. Then the internal resistance of the battery.

The current in a circuit containing a battery connected to 2Omega resistance is 0.9A. When a resistance of 7Omega connected to the same battery, the current observed in the circuit is 0.3 A. Then the internal resistance of te battery is

High resistance voltmeter connected across a cell reads 2 volt. When a resistance of 19 Omega , is connected in the cell circuit, voltmeter reading drops to 1.9 volt. The internal resistance of the cell is

The emf of a battery is 6 V and its internal resistance is 0.6 Omega . A wire of resistance 2.4 Omega is connected to the two ends of the battery, calculate (a) current in the circuit and (b) the potential difference between the two terminals of the battery in closed circuit.

A current of 2 A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Omega resistor. The internal resistance of the battery is

A current of 2 A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Omega resistor. The internal resistance of the battery is

A current of 2 A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Omega resistor. The internal resistance of the battery is