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    Question

    A wire is stretched by a force such that it experiences

    a strain of 2 x 10-3. If Young’s modulus of the material is 2 x 1011 Pa, the stress developed is:
    A 2 x 10⁶ Pa Correct Answer Incorrect Answer
    B 4 x 10⁷ Pa Correct Answer Incorrect Answer
    C 1x 10⁹ Pa Correct Answer Incorrect Answer
    D 4 x 10⁸ Pa Correct Answer Incorrect Answer

    Solution

    Stress = Y × Strain = 2 x 1011 x 2 x 10-3 = 4 x 108 Pa

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