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Combination of Resistors question from NEET 2023

Q28NEET 2023Easy

Combination of Resistors

10 resistors, each of resistance $\text{R}$ are connected in series to a battery of emf $E$ and negligible internal resistance. Then those are connected in parallel to the same battery, the current is increased $n$ times. The value of $n$ is:

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Answer: (a)

Series: $R_s = 10R$ , $I_s = E/10R$ .
Parallel: $R_p = R/10$ , $I_p = 10E/R$ .
$n = I_p/I_s = 100$ . The answer is (a).

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