EE-208-E ELECTROMAGNETIC THEORY
EE-208-E ELECTROMAGNETIC THEORY
CLASS WORK : 50
EXAM : 100
UNIT1.STATIC ELECTRIC FIE0LDS:
Coulomb’s Law, Gauss’s Law, potential function, field due to a continuous distribution of charge, equi-potential surfaces, Gauss’s Theorem, Poison’s equation, Laplace’s equation, method of electrical images, capacitance, electro-static energy, boundary conditions, the electro-static uniqueness theorem for field of a charge distribution, Dirac-Delta representation for a point charge and an infinitesimal dipole.
UNIT2. STEADY MAGNETIC FIELDS :
Faraday Induction law, Ampere’s Work law in the differential vector form, Ampere’s law for a current element, magnetic field due to volume distribution of current and the Dirac-delta function, Ampere’s Force Law, magnetic vector potential, vector potential (Alternative derivation), far field of a current distribution, equation of continuity.
UNIT3. TIME VARYING FIELDS :
Equation of continuity for time varying fields, inconsistency of Ampere’s law, Maxwell’s field equations and their interpretation, solution for free space conditions, electromagnetic waves in a homogeneous medium, propagation of uniform plane-wave, relation between E & H in a uniform plane-wave, wave equations for conducting medium, Maxwell’s equations using phasor notation, wave propagation in a conducting medium, conductors, dielectrics, wave propagation in good conductor and good dielectric, depth of penetration, polarization, linear, circular and elliptical,
UNIT4. REFLECTION AND REFRACTION OF E M WAVES:
Reflection and refraction of plane waves at the surface of a perfect conductor & perfect dielectric (both normal incidence as well as oblique incidence), Brewester’s angle and total internal reflection, reflection at the surfaces of a conductive medium, surface impedance, transmission-line analogy, poynting theorem, interpretation of E x H, power loss in a plane conductor.
UNIT5.TRASMISSION LINE THEORY :
Transmission line as a distributed circuit, transmission line equation, travelling ,standing waves , characteristic impedance, input impedance of terminated line, reflection coefficient, VSWR, Smith’s chart and its applications.
TEXT BOOK :
1. Electro-magnetic Waves and Radiating System : Jordan & Balmain, PHI.
Refrence Books:
1. Engineering Electromagnetics : Hayt; TMH
2. Electro-Magnetics : Krauss J.DF; Mc Graw Hill.
NOTE: 8 questions are to be set –atleast one from each unit. Students have to attempt any five questions.
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