Three similar cells, each of emf 2V and internal resistance send the same current through an external resistance of 2 when connected in series or in parallel. The strength of current flowing through the external resistance is |
|||||||

a) |
0.75 A |
b) |
1 A |
c) |
1.5 A |
d) |
zero |

Three similar cells, each of emf 2V and internal resistance send the same current through an external resistance of 2 when connected in series or in parallel. The strength of current flowing through the external resistance is |
|||||||

a) |
0.75 A |
b) |
1 A |
c) |
1.5 A |
d) |
zero |

1 Answer

127 votes

In series, …(i) In parallel, …(ii) From Eqs. (i) and (ii), From eqs. (i), |

127 votes

127