Electrostatics: Columbs law, Gauss' law, simple applications, electric field, electrostatic potential. Energy in the electric field capacitance, insulators, conductors, dielectrics, polarization. Electric current, ohm's law, circuit analysis. Thermo-electricity, magnetic effect of currents. Ampere's law of induction. Alternating current. AC circuits, Measuring devices, motion of charged particles in electric and magnetic field. Hall's effect, radioactivity. Conduction of electricity through gases e/m for electrons. X-rays  and nuclear energy.