Advanced Electrodynamics

PHYS3302 Electrodynamics

3 hours One requisite

1 The Magnetic Field of Steady Current / • Induction to magnetic field. • Lorentz force law and its applications. • Biot-Savart Law and its applications. • Ampere’s Law. • Application of Ampere's law. • Divergence and curl of magnetic field. • The magnetic vector potential. • The magnetic scalar potential. The Magnetic flux

2 The Electromagnetic Induction / • Self-inductance. • Mutual inductance. • The Neumann formula. • Inductances in series and parallel

3 Magnetic Properties of Matter / • The origin of magnetism in the matter. • Magnetic moment of the atom. • Magnetization. • Magnetic current density. • Surface current density. • Magnetic intensity. • Calculation of magnetic field of a magnetized object. • Magnetic susceptibility, Magnetic Permeability, and Hysteresis loop. • Classification of magnetic materials (diamagnetic materials, paramagnetic materials, and ferromagnetic materials). • Boundary condition of magnetic field. • Electric circuits containing magnetic media. • Magnetic circuits

4 Microscopic Theory of The Magnetic Properties of Matter / • Molecular field inside matter. • Origin of diamagnetism. • Origin of paramagnetism. • Theory of ferromagnetism. • Ferromagnetic domains. • Ferrites

5 Magnetic Energy / • Magnetic energy of a solid circuit. • Magnetic energy of coupled circuits. • Energy density in magnetic field. • Force and torques on rigid circuits

6 Maxwell’s Equation’s and Electromagnetic Waves / • Displacement Current • Maxwell’s Equation’s • Wave Equation for Electric and Magnetic Field • Plane Wave • Plane Waves in Isotropic Insulating Media • Transfer of Plane Waves in Conductor • Resistance of conductors at ultra high frequencies • Applications of Maxwell’s Equations • Boundary Conditions • Refraction and Reflection at the boundary of two non-conducting media • Electromagnetic waves Energy • The Wave Equation with Sources

1.1 Mapped to: K1

Define the physical quantities related to the magnetic properties.

Teaching Strategy Lectures.