give the Langevin's theory of paramagnetism and hence obtain curle's law.
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a paramagnetic material the magnetization of the material is (approximately) directly proportional to an applied magnetic field. However, if the material is heated, this proportionality is reduced: for a fixed value of the field, the magnetization is (approximately) inversely proportional to temperature. This fact is encapsulated by Curie's law:
M=cB/t
M= megnitisation
B= magnetic field
T=absolute temperature
c=curie constant
M=cB/t
M= megnitisation
B= magnetic field
T=absolute temperature
c=curie constant
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