PH3603: Electromagnetic Theory

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Course Information

L-T-P-C3-0-0-3
Prerequisites None

Syllabus

Module 1: Electrostatics

Lecture hours: 15 · Tutorial hours: 0 · Lab hours: 0

Force and electric field due to continuous charge distribution, field lines, flux, Gauss's law, Electric potential due to continuous charge distribution, equipotential line/surface, Poisson's equation and its solution, work done in assembling a charge distribution, Conductors and capacitors, Electric displacement vector, dielectric permittivity and susceptibility, Gauss's law in materials, Electric dipole, force and torque on a dipole due to external static electric field, interaction energy between two dipoles, multipole expansion .

Module 2: Magnetostatics

Lecture hours: 15 · Tutorial hours: 0 · Lab hours: 0

Force law due to line current, surface current and volume current densities, Biot-Savart law and properties of magnetic field, magnetic flux, divergence of B, Magnetic vector potential A, scalar potential, Ampere's law, multipole expansion, Magnetic dipole moment, force and torque on a magnetic dipole due to external static magnetic field, Magnetization: bound volume and surface current densities, Auxiliary field H, magnetic susceptibility and permeability, general information about paramagnetism, diamagnetism and ferromagnetism, Boundary conditions, force on a charged particle under electric and magnetic fields .

Module 3: Electromagnetics

Lecture hours: 12 · Tutorial hours: 0 · Lab hours: 0

Electromotive force, Faraday's law of electromagnetic induction, Self and mutual inductance, resonance and oscillations in electrical circuits, Displacement current, Maxwell's equations in free space and in linear media, Scalar and vector potentials, gauges, Plane electromagnetic waves, electromagnetic energy density, Poynting vector, Reflection and transmission of electromagnetic radiation at boundary, wave guides .

Study Materials

Textbooks

  1. Introduction to Electrodynamics, D. J. Griffiths, , ISBN: 978-9332550445
  2. Electricity and Magnetism, E. M. Purcell and D. J. Morin, , ISBN: 978-1107014022
  3. The Feynman Lectures on Physics, Vol. 2, R. P. Feynman, R. B. Leighton, M. Sands, , ISBN: 8182091101