Objective
To provide basic understanding of the fundamentals of Electromagnetics
Syllabus
- Introduction
- Co-ordinate system.
- Scalar and vector fields.
- Operations on scalar and vector fields.
- Electric field
- Coulomb’s law.
- Electric field intensity.
- Electric flux density.
- Gauss’s law and applications.
- Physical significance of divergence, Divergence theorem.
- Electric potential, potential gradient.
- Energy density in electrostatic field.
- Electric properties of material medium.
- Free and bound charges, polarization, relative permittivity, electric dipole.
- Electric Boundary conditions.
- Current, current density, conservation of charge, continuity equation, relaxation time.
- Boundary value problems, Laplace and Poisson equations and their solutions, uniqueness theorem.
- Graphical field plotting, numerical integration.
- Magnetic field
- Biot-Savart’s law.
- Magnetic field intensity.
- Ampere’s circuital law and its application.
- Magnetic flux density.
- Physical significance of curl, Stoke’s theorem.
- Scalar and magnetic vector potential.
- Magnetic properties of material medium.
- Magnetic force, magnetic torque, magnetic moment, magnetic dipole, magnetization.
- Magnetic boundary condition.
- Wave equation and wave propagation
- Faraday’s law, transformer emf, motional emf.
- Displacement current.
- Maxwell’s equations in integral and point forms.
- Wave propagation in lossless and lossy dielectric.
- Plane waves in free space, lossless dielectric, good conductor.
- Power and pointing vector.
- Reflection of plane wave at normal and oblique incidence
- Transmission lines
- Transmission line equations.
- Input impedance, reflection coefficient, standing wave ratio.
- Impedance matching, quarter wave transformer, single stub matching, double stub matching.
- Wave guides
- Rectangular wave guide.
- Transverse electric mode, transverse magnetic mode.
- Antennas
- Introduction to antenna, antenna types and properties.