15EC36 - Engineering Electromagnetics

Syllabus

• Course objectives: 

  • This course will enable students to:

  • · Define and Describe Coulomb’s law and electric field intensity.

  • · Define and Explain electric flux density, Gauss’s law and divergence.

  • · Describe energy and potential along with concepts of current and conductors.

  • · Describe Poisson’s and Laplace’s Equations, and Uniqueness Theorem.

  • · Define and Describe basic concepts of Magnetostatics by studying the various laws,Stoke’s Theorem and scalar and vector magnetic flux density.

  • · Explain Magnetic Forces, Materials and Inductance.

  • · Describe the concepts of time varying fields and Develop Maxwell’s equations in Point and Integral Forms.

  • · Describe and Compare different Types of Wave Propagation.

    • Module - 1

    • Coulomb’s Law, Electric Field Intensity and Flux density:

    • Experimental law of Coulomb, Electric field intensity, Field due to continuous volume charge distribution, Field of a line charge, Electric flux density.

    • Module -2

    • Gauss’s law and Divergence

    • Gauss’ law, Divergence. Maxwell’s First equation (Electrostatics), Vector Operator ▼ and divergence theorem.

    • Energy, Potential and Conductors

    • Energy expended in moving a point charge in an electric field, The line integral, Definition of potential difference and potential, The potential field of point charge, Current and Current density, Continuity of current.

    • Module -3

    • Poisson’s and Laplace’s Equations

    • Derivation of Poisson’s and Laplace’s Equations, Uniqueness theorem, Examples of the solution of Laplace’s equation.

    • Steady Magnetic Field

    • Biot-Savart Law, Ampere’s circuital law, Curl, Stokes’ theorem, Magnetic flux and magnetic flux density, Scalar and Vector Magnetic Potentials.

    • Module -4

    • Magnetic Forces

    • Force on a moving charge, differential current elements, Force between differential current elements.

    • Magnetic Materials

    • Magnetisation and permeability, Magnetic boundary conditions, Magnetic circuit, Potential Energy and forces on magnetic materials.

      • Module -5

      • Time-varying fields and Maxwell’s equations

      • Farday’s law, displacement current, Maxwell’s equations in point form, Maxwell’s equations in integral form.

      • Uniform Plane Wave

      • Wave propagation in free space and good conductors. Poynting’s theorem and wave power, Skin Effect.

        • Text Book:

        • W.H. Hayt and J.A. Buck, “Engineering Electromagnetics”, 7th Edition, Tata McGraw-Hill, 2009, ISBN-978-0-07-061223-5.

        • Reference Books:

        • 1. John Krauss and Daniel A Fleisch, “ Electromagnetics with applications”, Mc Graw-Hill.

        • 2. N. Narayana Rao, “Fundamentals of Electromagnetics for Engineering”, Pearson.