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The Poisson's ratio of a material is 0.4...

The Poisson's ratio of a material is 0.4. If a force is applied to a wire of this material, there is a decrease of cross-sectional area by 2%. The percentage increase in its length is

A

`3%`

B

`2.5%`

C

`1%`

D

`0.5%`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The poisson's ratio of a material is 0.4. if a force is applied to a wire of this material, there is a decrease of cross-sectional are a by 2%. The percentage increases in its length is

    A
    0.03
    B
    0.025
    C
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    D
    0.005

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    A
    `4%`
    B
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    C
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    D
    `4%`

  • The posisson's ratio of material is 0.4 . If a force is applied to a wire of this material, then therre si a decreases of cross-sectional area by 2% . The percentage incrases in its length is

    A
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    B
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    C
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    D
    `0.5%`

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