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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The period of oscillations of a magnet is $2 s$ . If it is magnetized such that the pole strength becomes $4$ times, then its period will be

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Answer:

Solution:

When pole strength becomes $4$ times, magnetic moment $M$ becomes four times.

As $T \propto \frac{1}{\sqrt{M}}$

Therefore, $T$ becomes $\frac{1}{\sqrt{4}} = \frac{1}{2}$ times.

$∴ T = \frac{2}{2} = 1 s$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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