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Poisson's Effect

A wire is sub...

Question

A wire is subjected to a longitudinal strain of $0.05.$ If its material has a Poisson's ratio $0.25$ , the lateral strain experienced by it is

A

0.00625

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B

0.125

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C

0.0125

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D

0.0625

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Solution

The correct option is D 0.0125
$ϵ x = 0.05$ (given)
$σ = 0.25$
$\frac{ϵ y}{0.05} = - 0.25$ (standard result)
$= - 0.0125$

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