The plot of the variation of potential difference across a combination of three identical cells in series, versus current is as shown in figure. What is the emf and internal resistance of each cell?

The following graph shows the variation of terminal potential difference V, across a combination of three cells in series to a resistor versus the current I : (i) Calculate the emf of each cell. (ii) For what current I, will the power dissipation of the circuit be maximum ?

The following graph shows the variation of terminal potential difference V, across a combination of three cells in series to a resistor versus the current I : (i) Calculate the emf of each cell. (ii) For what current I, will the power dissipation of the circuit be maximum ?

For a cell, the graph between the potential difference (V) across the terminals of the cells and the current I drawn from the cell is as shown in figure. Calculate the e.m.f. and the internal resistance of the cell.

For a cell, the graph between the potential difference (V) across the terminals of the cells and the current I drawn from the cell is as shown in figure. Calculate the e.m.f. and the internal resistance of the cell.

For a cell, the graph between the potential difference (V) across the terminals of the cells and the current I drawn from the cell is as shown in figure. Calculate the e.m.f. and the internal resistance of the cell.

For a cell, a graph is plotted between the potential difference V across the terminals of the cell and the current I drawn the cell. The emf and the internal resistance of the cell are E and r, respectively. Then

For a cell, a graph is plotted between the potential difference V across the terminals of the cell and the current I drawn the cell. The emf and the internal resistance of the cell are E and r, respectively. Then

The variation of terminal potential difference (V) with current flowing through a cell is as shown The emf and internal resistance of the cell are