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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

A charge $q$ , moving with velocity $v$ , enters a uniform magnetic field. The charge keeps on revolving along a closed circular path in the magnetic field. The frequency of revolution does not depend upon

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Answer:

Solution:

$\frac{m v^{2}}{r} = q v B$

$∴ \frac{v}{r} = \frac{q B}{m}$

Frequency $f = \frac{v}{2 π r} = \frac{q B}{2 π . m}$

$f$ does not depend upon velocity of the charge particle.

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2020

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