By a cell a current of 0.9 A flows through 2 ohm resistor and `0.3 A` through 7 ohm resistor. The internal resistance of the cell is

A cell supplies a current of 0.9 A through a 2Omega resistor and a current of 0.3 A through a 7Omega resistor. The internal resistance of the cell is

A cell supplies a current of 0.9 A through a 2 Omega resistor and a current of 0.3 A through a 7 Omega resistor. The internal resistance of the cell is

A cell supplies a current of 0.9A through a 2Omega resistor and a current of 0.3A through a 7 Omega resistor. Calculate the internal resistance of the cell .

A cell supplies a current of 0.9 A through a 1 Omega resistor and a current of 0.3 A through a 2Omega resistor. Calculate the internal resistance of the cell.

A cell supplies a current of 0.3 A through a resistance of 7 ohm and a current of 0.9 A through a resistance of 2 ohm. The internal resistance of the cell is

A battery supplies a current of 0.9 A through a 2 Omega resistor and a current of 0.3 A through a 7 Omega resistor. Calculate the emf and internal resistance of the battery.