# Electromagnetic Theory-I: Course Outline (PHY-312)

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.

## Course Content

Vector algebra: Differential calculus: Integral calculus: Line, surface and volume integrals, Curvilinearcoordinates: Spherical polar coordinates, Cylindrical coordinates. The Dirac delta function: The Theory of vector fields: The Helmholtz theorem, Potentials.

Electrostatics: The electric field:  Application of Gauss’s law, The curl of E. Electric potential:  Conductors: Basic properties, induced charges, Surface charge and force on a conductor, Capacitors.

Special techniques: Laplace’s equation in one dimension, in two dimensions, and in three dimensions,  Other image problems. Separations of variables: Cartesian coordinates, Spherical coordinates. Multipoleexpansion:

Electric Fields in Matter: Polarization, Dielectric, Induced dipoles,  Physical interpretation of bound charges, iLineardielectrics: Susceptibility, Permittivity, Dielectric constant,

Magnetostatics: Lorentz force law, Magnetic fields, Magnetic forces, Currents. Biot-Savart law:  The divergence and curl of B: Straight-line currents, Applications of Amplere’slaw.