Ten cells, each of emf and internal resistance , are connected in series. In this…

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

Ten cells, each of emf

1\,\mathrm{V}

and internal resistance

1\,\Omega

, are connected in series. In this arrangement, the polarity of two cells is reversed, and the system is connected to an external resistance of

2\,\Omega

. Find the current in the circuit.