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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    In the vibration magnetometer, the magnet kept in the stirrup when disturbed vibrates with a period, given by

    A)  \[2\pi \sqrt{I/MB}\]                      

    B)  \[2\pi \sqrt{MB/I}\]

    C) \[2\pi \sqrt{MBI}\]                         

    D) \[2\pi \sqrt{I/g}\]

    Correct Answer: A

    Solution :

    \[T=2\pi \sqrt{\frac{I}{MB}}\]where I = moment of inertia M = magnetic moment B = Intensity of magnetic field


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