Paper Code: ETEC-210	L      T      C
Paper: ELECTROMAGNETIC FIELDS AND TRANSMISSION LINES	3      1      4

UNIT - I

Mathematical Orientation Circuits and Fields, Vector Analysis, Physical Interpretation of Gradient, Divergence and Curl, Vector Relations in other Co-ordinate Systems, Integral, theorems, The Direct Delta, Matrices.

Electrostatics:

Fundamental Relations of the electrostatic Field, Gauss's Law, The potential Functions, Field due to a continuous distribution of charge, Equipotential surfaces, Divergence Theorem, Poisson's Equation and Laplace's Equation, Capacitance, Electrostatic Energy, Conditions at a Boundary between Dielectrics, Dirac Delta Representation for a Point Charge, Dirac Delta Representation for an infinitesimal Dipole.

UNIT - II

Magnetostatics:

Magnetic Induction and Faraday's Law, Magnetic Flux Density, Magnetic Field Strength H, Ampere, Gauss Law in the Differential Vector Form, Permeability, Energy Stored in a Magnetic Field, Ampere's Law for a Current Element, Volume Distribution of Current and the Dirac Delta, Ampere's Law Force Law, Magnetic Vector Potential, The Far Field of a Current Distribution. Maxwell's Equations: The Equation of Continuity for Time Varying Fields, Inconsistency of Ampere's Law, Maxwell's Equations, Conditions at a Boundary Surface.

UNIT - III

Electromagnetic Waves:

Solutions for Free-space conditions, Uniform Plane-wave Propagation, Uniform Plane Waves. The Wave Equations for a Conduction Medium, Sinusoidal Time Variations, Conductors and Dielectrics, Polarization, Direction Cosines, Reflection from different media, Surface Impedance, The Transmission-line Analogy, Poynting's Theorem

UNIT - IV

Transmission Lines:

Transmission Line equation, characteristic impedance, propagation constant, attenuation and phase constant, computation of primary and secondary constants, line distortion, Loading of line, artificial lines, reflection coefficient, V.S.W.R., reflection loss, efficiency of transmission, U.H.F. Lines-Smith chart, Quarter wave transformer, single and double stub matching U.H.F. lines as circuit elements, Equalizers-classification, inverse networks, Lattice and Bridge T attenuator equalizers phase equalizer, Attenuator-Symmetrical and asymmetrical, Bridge T and Ladder attenuator, variable attenuator.

TEXT BOOKS:

1. E. C. Jordon, K. G. Balman, “Electromagnetic waves & Radiation System” PHI – 2nd Edition.
2. S. P. Seth, “Elements of Electromagnetic Fields” Dhanpat Rai & Sons – 2nd Edition.

REFERENCE BOOKS:

1. William H. Hayt, "Engineering Electromagnetics", TMN – 5th Edition.