The following graph shows the variation ...

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 ?

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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 ?

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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 ?