First, a set of n equal resistors of 102 each are connected in series to a battery of emf 20V and internal resistance 10 2. A current I is observed to flow. Then, the n 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
First, a set of n equal resistors of 102 each are connected in series to a battery of emf 20V and internal resistance 10 2. A current I is observed to flow. Then, the n 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
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First, a set of n equal resistors of 10 2 each are
connected in series to a battery of emf 20V and
internal resistance 10 22. A current I is observed to
flow. Then, the n 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..........
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