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    5. A cylindrical metal wire is reformed so that its length decreases by 20% with no change of volume. I

    Question

    A cylindrical metal wire is reformed so that its length

    decreases by 20% with no change of volume. Its resistance decreases by:
    A 36% Correct Answer Incorrect Answer
    B 24% Correct Answer Incorrect Answer
    C 18% Correct Answer Incorrect Answer
    D 27% Correct Answer Incorrect Answer

    Solution

    The correct answer is A

    Practice Next
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    Relevant for Exams:

    • ICAR IARI Technician
    • CSIR SO/ ASO

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