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A Brass wire of diameter 1 mm and length...

A Brass wire of diameter 1 mm and length 2 m is stretched by applying a force of 20N. If the increase in length is 0.51 mm.

Text Solution

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`D=1m.m,r=(D)/(2)=0.5xx10^(-3)m`
`L=2m,F=20N,DeltaL=0.51m.m=0.51`
`mm=0.51xx10^(-3)`m
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