Single Choice

If $$M_2$$ = magnetization of a paramagnetic sample, B = external magnetic field, T = absolute temperature, C = curie constant then according to Curie's law in magnetism, the correct relation is

A$$M_z = \dfrac{T}{CB}$$
B$$M_z = \dfrac{CB}{T}$$
Correct Answer
C$$ C = \dfrac{M_z}{T}$$
D$$ C = \dfrac{T^2}{M_zB}$$

Solution

According to Curie's law:-

$$X\propto\dfrac{1}{T}$$, where $$X$$=magnetic susceptibility and $$T=$$ temperature

$$\implies X=\dfrac{C}{T}$$, where $$C$$=Curie's constant

Magnetization, $$M_z=XB$$

$$\implies M_z=\dfrac{CB}{T}$$

Hence, answer is option-(B).

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