Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic torque & energyEasy2 minPYQ_2020

PhysicsEasysingle choice

A bar magnet of length $10 cm$ and pole strength $2 A m$ makes an angle $60^{o}$ with a uniform magnetic field of induction $50 T$ . The couple acting on it is

Options:

Answer:

Solution:

$C = (2 l) m B \sin θ$

$= 1 0^{- 1} \times 2 \times 50 \times \frac{\sqrt{3}}{2}$

$= 5 \sqrt{3} N m$

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

⏱ 2mℹ️ Source: PYQ_2020

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