Name: Resolving the Earth's Magnetic Field
Uploaded: 2019-07-19
Duration: 3 min 12 s
Description: A magnetic meridian contains the information of the Earth’s net magnetic field. Let's focus on the magnetic meridian and resolve the net magnetic field in th...

Question

State and explain Curie law of paramagnetic materials and explain saturation magnetization for paramagnetic materials

Accepted Answer

Curie law for paramagnetic material states that the magnetization $M$ in a paramagnetic material is directly proportional to the applied magnetic field $B$ and inversely proportional to absolute temperature $T$ of the material.
$M \propto B$ , and $M \propto \frac{1}{T}$ ,

$M \propto \frac{B}{T}$

$M = C \frac{B}{T}$ .

Where $C$ is Curie constant.

The saturation magnetization is the maximum magnetic moment per unit volume for a magnetic material. The paramagnetic material behaves as a magnetic material when placed in a strong magnetic field, and when the magnetic field is removed the dipole return to their normal random motion this condition is known as paramagnetism, whereas some materials changes their direction at very small scale and behaves like a paramagnet, this property is known as super paramagnetism.

State and explain Curie law of paramagnetic materials and explain saturation magnetization for paramagnetic materials

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