In the fig. shown, Calculate the current through 3 ohm resistor. The emf of battery is 2 volt and its internal resistance is `2//3` ohm.

A cell of terminal p.d. of 10 volts drives a current of 2 Amperes calculate the emf of the cell if its internal resistance is 0.5 ohm.

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

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

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

Three resistors of 4 ohms, 6 ohms, and 12 ohms are connected in parallel, and the combination is connected in a series with a 4 V battery having an internal resistance of 2 ohms. What is the battery’s current?

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.

A 50V battery is connected across a 10 ohm resistor. The current is 4.5A is flowing through the resistor then the internal resistance of the battery is