Unit III


Electricity and Magnetism : 
Electricity click here
Coloumb’s law – Gauss’s law – Applications – electrostatic potential -capacitors – dielectrics – current – resistance – emf – Kirchoff’s law – thermo electric effect – applications.

Magnetism click here
Magnetism – magnetic effects of current – motion of charge particles in magnetic field – cyclotron -magnetic forces on current carrying conductor – Hall effect –electromagnetic induction -Faraday’s law -Lenz’s law – eddy current – Inductance – mutual and self inductance – magnetic properties of matters -diamagnetism – paramagnetism – ferromagnetism – domains- Hysteresis – alternating current – circuits containing resistance, inductance or capacitance – transformer.