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Anukruti Jain from The Woods Heritage School , asked a question
Subject: Physics , asked on 8/9/13

How does the resistance of wire depend on its radius ? explain your answer.

EXPERT ANSWER

Himanshu ,Meritnation Expert added an answer
Answered on 10/9/13

Resistance of a wire is inversely proportional to the area of cross section of the wire.

Since, the area of cross section of wire is proportional to square of radius, therefore, resistance of the wire is inversely proportional to square of radius of the wire.

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