**PHY ****102: Electromagnetism**** ****(3 Credit)**

*Course Contents*:

To learn basics of modern physics including basic quantum mechanics, statistical mechanics, solid state physics and nuclear physics

*Course Contents*:

*Electrostatics:*Coulomb’s Law, Gauss’s law (integral and differential form) and its
applications, Electric potential, Laplace’s and Poisson’s equations (no solutions),
Energy of a charge distribution, , Boundary conditions, Conductors, The
uniqueness theorem (statement only), Method of images, Field and Potential due
to dipole. Multipole expansion, Polarization in a dielectric, vectors D, P and E,
linear dielectrics, force on dielectrics.

*Electric currents: *Line, surface and volume currents and current densities,
electrical conductivity and Ohm’s law, equation of continuity, energy dissipation.
Motion of charged particles in electric and magnetic fields

*Magnetostatics:*** **Biot-Savart and Ampere’s law, divergence and curl of B, integral
and differential forms of Ampere’s law, vector potential, Boundary conditions,
Magnetic dipoles, Multipole expansion, magnetization in materials, H, B and M,
Dia-, para- and ferro-magnetism, B and H in bar-magnet.

*Electrodynamics:* Electromagnetic induction, motional emf and Faraday’s law,
inductance and energy in magnetic field, the displacement current, Maxwell’s
equations.

*Maxwell's equations: * Wave equation, plane, spherical, cylindrical and beam like
solutions of the wave equation.

*Electromagnetic Wave: * EM wave in vacuum and dielectrics, Poynting’s theorem,
Reflection, transmission, refraction of EM wave

*Suggested Books*:

- D. J. Griffiths,
*Introduction to electrodynamics 3rd Ed.* - E. M. Purcell,
*Electricity and Magnetism (Berkeley Physics course) 2nd Ed.* - R. P. Feynman, R. B. Leighton and M. Sands,
*The Feynman Lecture of Physics Vol 2.*

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