1. Dielectric Materials:
Static dielectric constant, Polarization, atomic interpretation of the dielectric constant of mono-atomic and
poly atomic gases, internal fields in the solids and liquids, static dielectric constants of solids, ferroelectric
materials and spontaneous polarization, piezo- electricity. frequency dependence of electronics, ionic and
orientational polarization, complex dielectric constant and dielectric losses.
2. Conductivity of Metals:
Ohm's Law and relaxation time of electrons, collision time and mean free path. Electron scattering and
resistivity of metals. Heat developed in current carrying conductor, thermal conductivity of metals,
superconductivity.
3. Magnetic Materials :
Magnetisation from microscopic view point, orbital magnetic dipole movement and angular momentum
materials, diamagnetism, origin of permanent magnetic dipoles in material. paramagnetic spin systems.
4. Properties of ferromagnetic materials:
Spontaneous magnetisation and the curie-Weils Law. Ferromagnetic Domains and coercive force, antiferromagnetic
and ferromagnetic materials. magnetic materials for electrical devices, introduction to
permanent magnets.