Two identical batteries each emf 2V and internal resistance are available to produce heat in an external resistance by passing a current through it. The maximum Joulean power that can be developed across using these batteries is |
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a) |
1.28 W |
b) |
2.0 W |
c) |
W |
d) |
3.2 W |

Two identical batteries each emf 2V and internal resistance are available to produce heat in an external resistance by passing a current through it. The maximum Joulean power that can be developed across using these batteries is |
|||||||

a) |
1.28 W |
b) |
2.0 W |
c) |
W |
d) |
3.2 W |

1 Answer

127 votes

For maximum power When batteries are connected in parallel. Current Maximum power is given by 2 W If we assume batteries to be connected in series, then Current A So, maximum power is now given by 2 W In either case 2 W |

127 votes

127