Magnetic susceptibility of Mg at 300 K is 1. | vedclass

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(C) For paramagnetic materials,the magnetic susceptibility $\chi$ is inversely proportional to the absolute temperature $T$,according to Curie's Law:

Vedclass · Accepted Answer

$1.8 	imes 10^{-5}$

Vedclass · Answer

(C) For paramagnetic materials,the magnetic susceptibility $\chi$ is inversely proportional to the absolute temperature $T$,according to Curie's Law: $\chi \propto \frac{1}{T}$.Given: $\chi_1 = 1.2 	imes 10^{-5}$ at $T_1 = 300 \ K$.We need to find $\chi_2$ at $T_2 = 200 \ K$.Using the relation $\frac{\chi_2}{\chi_1} = \frac{T_1}{T_2}$,we get:$\chi_2 = \chi_1 	imes \frac{T_1}{T_2}$$\chi_2 = 1.2 	imes 10^{-5} 	imes \frac{300}{200}$$\chi_2 = 1.2 	imes 10^{-5} 	imes 1.5$$\chi_2 = 1.8 	imes 10^{-5}$.

Magnetic susceptibility of $Mg$ at $300 \ K$ is $1.2 \times 10^{-5}$. What is its susceptibility at $200 \ K$?

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