Single Choice

For a paramagnetic material, the dependence of the magnetic susceptibility $$\chi $$ on the absolute temperature T is given by

A$$\chi \alpha T$$
B$$\chi \alpha$$ $$ constant \times T$$
C$$\chi \alpha \dfrac {1}{T}$$
Correct Answer
D$$\chi =constant$$

Solution

$$\chi$$ $$=$$ $$\dfrac{c\mu_{o}}{T}$$ (standard equation)
$$c=$$ Curie's constant
$$\mu _{o}=4\pi \times 10^{-7}$$
$$T=$$ Alsolute Temperature
$$\chi$$ $$\alpha$$ $$\dfrac{1}{T}$$

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