A battery of emf 10V and internal resistance 3 ohm is connected to a resistor. If the current in the circuit is 0.5A, what is the resistance of resistance of resistor ? What is the terminal voltage of the battery when the circuit is closed?

A battery of emf E and internal resistance 'r' is connected to an external resistance 'R', the condition for maximum power transfer is

A 24 v battery of internal resistance 4Omega is connected to a variable resistor. At what value of the current drawn from the battary is the rate of heat produced in the resistor maximum?

A battery of emf 1.4V and interna! resistance 2Omega is connected to a resistor of 100Omega resistance through an ammeter. The resistance of ammeter is 4/3Omega a voltmeter has also been connected to find the potential difference across the resistor. The ammeter reads 0.02 A. What is the resistance of voltmeter.

A battery of emf 1.4V and interna! resistance 2Omega is connected to a resistor of 100Omega resistance through an ammeter. The resistance of ammeter is 4/3Omega a voltmeter has also been connected to find the potential difference across the resistor. The voltmeter reads 1.10V. What is the error in the reading ?

A cell of emf E and internal resistance r is connected to a variable external resistor R. the graph which gives the terminal voltage of cell V with respect to R is

When a resistance of 12 Omega is connected with a cell of emf 1.5 V, 0.1A current flows through the resistance. Internal resistance of the cell is—

When a resistance of 12 Omega is conencted with a cell of emf 1.5 V,0.1 A current flows through the resistance internal resistance of the cell is

A storage battery of emf 8.0 V and internal resistance 0.5 Omega is being charged by a 120 V dc supply using a series resistor of 15.5 Omega .What is the terminal voltage of the battery during charging? What is the purpose of using the series resistor in the charging circuit?

A storage battery of emf 8.0V and internal resistance 0.5Omega is being charged by a 120V de supply using a series resistor of 15.5Omega . What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?