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PhysicsMagnetismProperties of magnetEasy2 minPYQ_2020

PhysicsEasysingle choice

Rate of change of torque $τ$ with deflection $θ$ is maximum for magnet suspended freely in a uniform magnetic field of induction $B,$ when

Answer:

Solution:

Given that, $θ = 0 °$

Torque, $τ = m B \sin ϕ$

$τ$ will be maximum, when

$ϕ = 90 °$

$∴$ Deflection angle, $θ = 90 - ϕ$

$= 90 ° - 90 ° = 0 °$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Properties of magnet

⏱ 2mℹ️ Source: PYQ_2020

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