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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismProperties of magnetEasy2 minPYQ_2011

PhysicsEasysingle choice

A short bar magnet of magnetic moment $0.4 J T^{- 1}$ is place in a uniform magnetic field of $0.16 T$ . The magnet is stable equilibrium when the potential energy isNEET 2011 (Mains)

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Solution:

We know that $U = - MB cos θ$ For stable equilibrium $θ = 0^{\circ}$ $U = - MB = - (0.4) (0.16) = - 0.064 J$

Stream:NEETSubject:PhysicsTopic:MagnetismSubtopic:Properties of magnet

⏱ 2mℹ️ Source: PYQ_2011

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