A small magnet of moment 4.8 \times 10 ^ { - 2 }J/T is suspended freely in the plane of uniform magnetic field of magnitude 3 \times 10 ^ { - 2 } { T } and the magnet is slightly displaced through 5 ^\circ from its stable equilibrium and released, predict the angular frequency of its oscillations in rad/sec (moment of inertia about the axis of rotation is 9 \times10 ^ { - 5 } { kg } { m } ^ { 2 } )

AP and TS EAMCET Engineering Model Paper 2

Question : 112 of 160

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A small magnet of moment 4.8×10−2J/T is suspended freely in the plane of uniform magnetic field of magnitude 3×10−2T and the magnet is slightly displaced through 5° from its stable equilibrium and released, predict the angular frequency of its oscillations in rad/sec (moment of inertia about the axis of rotation is 9×10−5kgm2)

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