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MGIMS WARDHA MGIMS WARDHA Solved Paper-2013

  • question_answer
    A copper wire and a steel wire of the same diameter and length are connected end to end and a force is applied which stretches their combined length by 1 cm. Then the two wires will have

    A)  the same stress and strain        

    B)  the same stress but different strain

    C)  the same strain but difference stress

    D)  difference, stress and strain

    Correct Answer: D

    Solution :

                    Some force applied to each wire having equal area of cross-section, so stress is same but extensions will be different for wires of different materials. So, equal stresses but different strains are there.


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