EC8451 – NOTES & QP
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| SEMESTER QP | CLICK HERE |
EC8451 – SYLLABUS
UNIT I INTRODUCTION
Electromagnetic model, Units and constants, Review of vector algebra, Rectangular, cylindrical and spherical coordinate systems, Line, surface and volume integrals, Gradient of a scalar field, Divergence of a vector field, Divergence theorem, Curl of a vector field, Stoke?s theorem, Null identities, Helmholtz?s theorem
UNIT II ELECTROSTATICS
Electric field, Coulomb?s law, Gauss?s law and applications, Electric potential, Conductors in static electric field, Dielectrics in static electric field, Electric flux density and dielectric constant, Boundary conditions, Capacitance, Parallel, cylindrical and spherical capacitors, Electrostatic energy, Poisson?s and Laplace?s equations, Uniqueness of electrostatic solutions, Current density and Ohm?s law, Electromotive force and Kirchhoff?s voltage law, Equation of continuity and Kirchhoff?s current law
UNIT III MAGNETOSTATICS
Lorentz force equation, Law of no magnetic monopoles, Ampere?s law, Vector magnetic potential, Biot-Savart law and applications, Magnetic field intensity and idea of relative permeability, Magnetic circuits, Behaviour of magnetic materials, Boundary conditions, Inductance and inductors, Magnetic energy, Magnetic forces and torques
UNIT IV TIME-VARYING FIELDS AND MAXWELL?s EQUATIONS
Faraday?s law, Displacement current and Maxwell-Ampere law, Maxwell?s equations, Potential functions, Electromagnetic boundary conditions, Wave equations and solutions, Time-harmonic fields
UNIT V PLANE ELECTROMAGNETIC WAVES
Plane waves in lossless media, Plane waves in lossy media (low-loss dielectrics and good conductors), Group velocity, Electromagnetic power flow and Poynting vector, Normal incidence at
a plane conducting boundary, Normal incidence at a plane dielectric boundary