NITH SYLLABUS

EC-223ELECTROMAGNETIC FIELD THEORY
CreditsLTP
4310

UNIT-1

INTRODUCTION
  • Fundamental of vector algebra
  • Scalar &vector fields
  • Introduction and transformation on different coordinate systems: (rectangular
  • Cylindrical and spherical coordinate system)
  • Introduction to line
  • Surface and volume integrals
  • Definition of gradient
  • Divergent and curl of a vector and their physical significance

UNIT-2

ELECTROSTATICS
  • Principle of Coulomb's law
  • Definition of electric field intensity from point charges
  • Field due to continuous distribution of charges on an infinite and finite line
  • Electric Field due to an infinite uniformly charged sheet
  • Gauss’s law and its applications
  • Electric flux density
  • Potential fields duo to electric dipole
  • Laplace’s and Poison’s equations

UNIT-3

MAGNETOSTATICS
  • Definition and explanation on Magnetic Field intensity due to a finite and infinite wire carrying current
  • Magnetic field intensity on rectangular loop carrying current
  • Ampere’s Circuital law and its applications
  • Biot-Savart’s law
  • Lorentz force equation for a moving charge
  • Magnetic Vector Potential

UNIT-4

TIME VARYING EM FIELD
  • Maxwell’s equation in differential and integral vector form and their interpretations
  • Continuity of currents
  • Conduction and displacement current
  • Boundary conditions
  • Helmholtz equations
  • Uniform plane wave in dielectric and conductor media
  • Skin effect and depth of penetration
  • Reflection and refraction of plane waves at boundaries for normal incidence and surface impedance
  • Energy Flow and Poynting theorem

UNIT-5

TRANSMISSION LINES
  • Transmission line model
  • Parameters and properties of transmission line equations
  • Reflections in transmission lines
  • Voltage
  • Current and impedance relations-open
  • Short circuit and matched lines
  • Standing wave ratio
  • Impedance matching
  • Quarter and half wave lines
  • Single stub and double stub matching; Circle diagram – Smith-chart
BOOKS
  1. Elements of Engineering Electromagnetics by Matthew N.O. Sadiku, Oxford University Press.
  2. Engineering Electromagnetics by William Hayt, TATA McGraw-Hill.
  3. Elements of Engineering Electromagnetics by Narayana Rao, N, Pearson Education.
  4. Electromagnetic Waves and Radiating Systems by Jordan and Balmain, PHI, Second Ed.
  5. Electromagnetics by J.D. Kraus, McGraw-Hill
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