Electrodynamics

PHYS2201 Theoretical Physics

3 hours One requisite

1 Review on Vector Analysis / • Vector formulas. • Vector operations. • The line integral. • The surface integral. • The divergence theorem. • Stokes’ theorem. • Cartesian, spherical, and cylindrical Coordinates

2 Electrostatics / • Electric charge. • Coulomb’s law. • The electric field. • Electrostatic potential. • Conductors & insulators. • Gauss’s law. • The electric dipole

3 Solution of electrostatic problems / • Poisson’s equation. • Laplace’s equation. • Laplaces’s equation in one independent variable. • Laplace’s equation in spherical coordinates (harmonic zone). • Conducting sphere in uniform. • Electrostatic images

4 The Electrostatic Field in Dielectric Media / • Polarization. • Field outside of a dielectric medium. • The electric field inside a dielectric. • The electric displacement. • Electric susceptibility and dielectric Constant. • Point charge in a dielectric field. • Boundary conditions on the field vector. • Boundary value problem involving dielectrics

5 Microscopic Theory of Dielectrics / • Molecular field in a dielectric. • Induced dipoles. • Polar molecules. The Langevin-Debye formula. • Permanent polarization. Ferroelectricity

6 Electrostatic Energy / • Potential energy of a group of point charges. • Energy density of an electrostatic field. • Energy of a system of charged conductors. • Capacitors

7 Electric Current / • Current density & equation of continuity • Ohm’s law • Steady currents in continuous media • Microscopic theory of conduction

1.1 Mapped to: K1

Define the physical quantities related to the static electricity.

Teaching Strategy Lectures.