\( 100 \) cells each of \( emf~ 5 \) volt and internal resistance \( 1 \mathrm{~ohm} \) are to b...

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\( 100 \) cells each of \( emf~ 5 \) volt and internal resistance \( 1 \mathrm{~ohm} \) are to be arranged so as to produce maximum current in a \( 25 \mathrm{~ohm} \) resistance. Each row is to contain equal numbers of cells. The number of rows should be
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