JEE Previous Year Question

First, a set of equal resistors of each are connected in series to a battery of emf 20V and internal resistance . A current I is observed to flow. Then, the resistors are connected in parallel to the same battery. It is observed that the current is increased 20 times, then the value of n is .

Topic: JEE PYQ

Answer: 20. Full step-by-step solution below.

Correct answer: 20

Solution

(20)
In series


in parallel




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