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The increase in length of a wire on stre...

The increase in length of a wire on stretching is`0.04 %`. If it's poisson's ratio is 0.5, at what percentage the diameter will reduce ?

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`(delta L) /L = (4)/(100 xx 100) = 4 xx 10^-4` there for `(delta D)/D = delta( delta L)/L =1/2 xx 4 xx 10^-4 = 2 xx 10^-4` `(delta D)/D = 0.02/100 = 0.02%`
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