The poten tial difference between the terminals of a cells is found to be 3 volts when it is connected to a resistance equal to its internal resistance. The e.m.f. of the cell is:-

The potential difference between the terminals of a cells is found to be 3 volts when it is connected to a resistance equal to its internal resistance. The e.m.f. of the cell is :–

The potential difference between the terminals of a cells is found to be 3 volts when it is connected to a resistance equal to its internal resistance. The e.m.f. of the cell is:-

The potential difference between the terminals of a cell, in an open circuit was 2.5 volt and when it was connected through a resistance of 5 ohm, the potential difference fell to 1.5v. Find the internal resistance of the cell.

For the determination of emf E and internal resistance 'r' of a cell , the graph is obtained between potential difference V between the terminal of the cell against the current l, which was changed by adjusting the rheostat, is as shown . The internal resistance of the cell is

What is the potential difference between two terminals of cell of emf of 6V in the open circuit ? Neglect the internal resistance of the cell.

The potential difference between the terminals of a cell in open circuit is 2.2 volt. With resistance of 5 ohm across the terminals of a cell, the terminal difference is 1.8 volt. The internal resistance of the cell is

The p.d. between the two terminals of a cell in open circuit is 2 volt. The p.d. falls to 1.5 volts when the cell is connected across a 2 ohm resistance. Find the internal resistance of the cell.

If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is

A cell of emf 'E' is connected across a resistance R.The potential difference between the terminals of the cell is found to be "V" .The internal resistance of the cell must be: