Electromagnetic Theory

Review of Vector Analysis : Physical interpretation of gradient, divergence and curl, vector relation in other coordinate systems.

Electrostatics : Electrostatic field, Gauss's law, Density application of Gauss's Law, Electric field due to several charges, Potential function, Divergence theorom.

Coulomb's Law, Field Intensity, Field due to point charge, continuous distribution of charge, Equipotential surface, Line integral, Potential fields of system of charges.

Poisson's equation, Laplace's equation, Uniqueness theorom, Conservation principle, Energy density in Electrostatic field, Capacitance, Conditions at a boundary between dielectrics, Capacitance of a two wire line, continuity of a current, current density.

Steady magnetic field : Magnetic flux, Flux density, Ampere's Law, Biot Savert's law, Stoke's theorem, scalar and vector magnetic potential, Magnetic intensity, Magnetomotive force, Permeaility, Magnetic Vector potential.

Maxwell's Equations : Time varying fields, Ampere's work law in differential vector form, Faraday's Law and Maxwell's second equation, Integral form of Maxwell's equations, the field equations in vector form, Boundary conditioins in EM field, Energy theorem and Poynting vector.

EM Wave equation in dielectric and conductors. Instantaneous, Average and complex Poynting vector.

Solution of Scalar and Vector wave equations in rectangular coordinates.

Uniform Plane Waves : Solution for free space conditiions, Uniform plane wave propagatioin. Sinusoidal time variations. The wave equations for a conducting medium.

Reflection and Refractioin of plane waves. Reflection by a perfect conductor. Normal incidence. Reflection by a perfect dielectric normal incidence. Reflection by a perfect insulator oblique incidence. Reflection by a perfect conductor. Oblique incidence. Surface impedance. Transmissin line alalogy.