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First a set of n equal resistors of R ea...

First a set of n equal resistors of R each are connected in series to a battery of emf E and internal resistance R, A current I is observed to flow. Then, the n resistors are connected I parallel to the same battery.
It is observed that the current is increased 10 times. what is 'n'?

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Knowledge Check

  • If n cells each of emf E and internal resistance rare connected in parallel, then the total emf and internal resistances will be

    A
    `epsi, (r)/(n)`
    B
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    C
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