The emf of the cell is 1.8 V and internal resistance is `2//3 Omega`, calculate the current in the `3 Oemga` resistance and the power dissipated in the whole circuit.

A battery of 20 cells is charged by 220 V with a charging current of 15 A . If the emf of each cell is 2 V and internal resistance is 0.1 Omega , then the series resistance required to be placed in the circuit will be

A battery of 20 cells is charged by 220 V with a charging current of 15 A . If the emf of each cell is 2 V and internal resistance is 0.1 Omega , then the series resistance required to be placed in the circuit will be

Emf, of a cell is 1.5 V and its internal resistance is 1 Omega When the cell sends current in an external circuit having resistance 2 Omega , then what will be the value of lost volt?

A resistor is connected to a battery of emf 10 V and internal resistance 0.3 Omega . What is the resistance of the resistor to be inserted in the circuit for the circuit current 1.2A?

A resistor is connected to a battery of emf 10 V and internal resistance 0.3 Omega. What is the resistance of the resistor to be inserted in the circuit for the circuit current 1.2A?

Two cells having emf's of 10 V and 8 V, and internal resistance of 1Omega (each) are connected as shown with an external resistance of 8Omega Find the current flowing through the circuit.

Two cells having emf's of 10 V and 8 V, and internal resistance of 1Omega (each) are connected as shown with an external resistance of 8Omega Find the current flowing through the circuit.

Calculate the current drawn from the battery of emf 15V and internal resistance 0.5Omega in the circuit shown in Fig. 6.12. Also find the power dissipated in thd 6Omega resistor.

A battery of 20 cells (each having e.m.f. 1.8V and internal resistance 0.1Omega is charged by 220 volts and the charging current is 15A. Calculate the resistance to be put in the circuit.