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J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    If longitudinal strain for a wire is \[0.03\] and its Poisson's ratio is \[0.5,\] then its lateral strain is

    A)  \[0.003\]         

    B)  \[0.0075\]

    C)  \[0.015\]         

    D)   \[0.4\]

    Correct Answer: C

    Solution :

    Poisson s ratio \[\sigma =\frac{lateral\,\,strain}{longitudinal\,\,strain}\] Given, \[\sigma =0.5,\]longitudinal strain \[=0.03\] \[\therefore \] Lateral strain \[=0.5\times 0.03\] Lateral strain \[=0.015\]


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