A bar-magnet of moment of inertia 49 \times 10^{-2} {\kg} - {\m}^2 vibrates in a magnetic field of induction 0.5 \times 10^{-4} {\T}. The time period of vibration is 8.8 { s}. The magnetic moment of the bar magnet is

EAMCET Engineering 2007 Solved Paper

Section: Physics

Question : 27 of 160

Marks: +1, -0

A bar-magnet of moment of inertia 49×10−2‌kg - m2 vibrates in a magnetic field of induction 0.5×10−4T. The time period of vibration is 8.8 s. The magnetic moment of the bar magnet is

350A−m2
490A−m2
3300A−m2
5000A−m2

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