Diamagnetism and paramagnetism

1. Some relations:

(\chi_r=\mu_r -1\), \(\mu_r<1,\chi_r=-ve\)

\(\chi=\frac{M}{H}...}

hard magnetic material and magnetic storage

1.properties of hard magnetic materials

Hard magnetic materials are used in permanent magn...}

Ferrimagnetism and soft magnetic materials

1.properties of ferrimagntetic

These magnetic materials in which there is permanent magnet...}