Electric dipole, dipole moment, dielectric constant, polarizability, electric susceptibility, Displacement vector, electronic and ionic polarizations (Quantitative), orientation and space charge polarizations (qualitative). Internal fields in solids, Clausius - Mosotti equation, Ferroelectric, Piezoelectric and their applications.
Origin of magnetic moment, Bohr magneton, classification of Dia, Para, Ferro, Anti-ferro and Ferri magnetic materials; domain theory of Ferro magnetism- Hysteresis curve, soft and hard magnetic materials and their applications.