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  4. To draw maximum current from a combination of cells, how should the cells be grouped?

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Q. To draw maximum current from a combination of cells, how should the cells be grouped?

NTA AbhyasNTA Abhyas 2022

Solution:

To draw maximum current from a combination of cells, external resistance $R=\frac{n r}{m}$ , where $n,m\&r$ represents number of row, number of columns and internal resistance respectively. Therefore, grouping of cells depends upon the relative values of internal and external resistance.