The rows each containing m cells in series are joined in parallel. Maximum current is taken from this combination across as external resistance of 3 resistance. If the total number of cells used are 24 and internal resistance of each cell is 0.5 , then |
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a) |
b) |
c) |
d) |

The rows each containing m cells in series are joined in parallel. Maximum current is taken from this combination across as external resistance of 3 resistance. If the total number of cells used are 24 and internal resistance of each cell is 0.5 , then |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

In mixed grouping the current in the external circuit will be maximum when the internal resistance of the battery is equal to the external resistance,

Given, R=3

Total number of cells …(i)

From Eqs. (i) and (ii), we get …(ii)

127 votes

127