Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic torque & energyEasy2 minQB

PhysicsEasysingle choice

A magnetic dipole in a uniform magnetic field has: (Take zero potential energy when magnetic dipole is perpendicular to magnetic field)

Answer:

Solution:

Torque, $τ = M B \sin θ$

and potential energy, $U = - M B \cos θ$

$τ$ is maximum when $θ = 90^{o}$

$U = - M B \cos 90^{o} = 0$ .

Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Magnetic torque & energy

⏱ 2mℹ️ Source: QB

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