Physics, asked by adarshyadav428azm, 5 months ago

. A piece of wire of resistance 20 Q is drawn out so that its length is increased to twice its original length
Calculate the resistance of the wire in the new situation.

Answers

Answered by help7oo645o984

0

Answer:

on doubling length thickness gets halved so overall resistance gets increased 4 times

so new resistance is 80 ohm

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