Physics, asked by husanpreet1137, 3 days ago

A conducting wire has a resistance of 20 ohms,its length is now stretched to increase by 4% . Calculate the resulting value of the resistance of wire.

Answers

Answered by shivjaykey

0

Explanation:

On stretching wire, resistance is directly proportional to square of length

R2 = 20 * (1.04)^2 = 21.63 ohm

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