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प्रश्न
The periodic time of angular oscillations of a bar magnet is proportional to ______.
पर्याय
ratio of moment of inertia and magnetic field
ratio of magnetic field and moment of inertia
square root of the ratio of moment of inertia and magnetic field
square root of the ratio of magnetic field and moment of inertia
MCQ
रिकाम्या जागा भरा
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उत्तर
The periodic time of angular oscillations of a bar magnet is proportional to square root of the ratio of moment of inertia and magnetic field.
Explanation:
The following formula gives the periodic time T of a bar magnet in a magnetic field:
T = `2 pisqrt(I/(µB))` where µ = Magnetic moment
∴ `T ∝ sqrt(I/(B))` .....(As µ is constant)
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