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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic properties of matterEasy2 minPYQ_2020

PhysicsEasysingle choice

A paramagnetic material has $10^{28} atoms m^{- 3}$ . Its magnetic susceptibility at temperature $350 K$ is $2.8 \times 10^{- 4}$ . Its susceptibility at $300 K$ is

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Answer:

Solution:

From Curie's law

$χ \propto \frac{1}{T}$

$\frac{χ_{2}}{χ_{1}} = \frac{T_{1}}{T_{2}}$

$χ_{2} = χ_{1} \cdot \frac{T_{1}}{T_{2}} = 2.8 \times 10^{- 4} \times \frac{350}{300} = 3.267 \times 10^{- 4}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Magnetic properties of matter

⏱ 2mℹ️ Source: PYQ_2020

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