Free electron theory - Band theory - Metals- semiconductors - insulators - resistivity - effects of composition - temperature - discussion on specific materials used as conductors (OFHC Copper, Al alloys, Fe-Si alloys, amorphous metals)- Dielectric phenomena -Clausius-Mossotti equation- concept of Polarisation - frequency and temperature dependance - discussion on specific materials used as dielectrics (ceramics and polymers); dielectric loss - dielectric breakdown - ferro electricity - piezo electricity and pyro electricity.
