WITH EFFECT FROM THE ACADEMIC YEAR 2011 - 2012
EE 252
ELECTROMAGNETIC THEORY
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
Unit-I
Electrostatic fields: Brief review of vector analysis- Introduction to different coordinate systems- Coulomb’s law (point charges and charge distribution) - Electric field and flux density- Gauss law- Gauss divergence theorem-Potential Energy and Electrical Potential- Relationship between E and V-Dielectric Materials- Capacitance (Parallel plate, Two wire transmission line) - Electric and Equipotential plots- Integral and Point form of Maxwell’s Electrostatic Equation.
Unit-II
Magneto static Fields : Electrical Currents( Conduction and Convection)-Calculations of Magnetic fields using Biot-Savart’s law and Amperes law-Magnetic scalar and Vector Potentials-Magnetic Materials- Forces in Magnetic fields- Lorentz force equation- Force between parallel conductors- Magnetic Torque and Dipole Moment- Inductance Calculations( Solenoid, Toroid, Parallel transmission line)- Mutual Inductance- Integral and Point forms of Maxwell’s Magneto static equation.
Unit-III
Boundary Value Problems and Numerical Methods : Boundary conditions for Electric and Magnetic Fields- Poisson’s and Laplace equations- Analytical solutions- By direct Integration( One Dimensional)- Numerical solution of One dimensional by Finite Difference method- Analytical solutions( Variable & separable) two dimensions- Numerical Solutions of two dimensional by finite difference method- Introduction to Finite Element and Method of Moments.
Unit-IV
Time Varying Electromagnetic fields and Wave Propagation: Faraday’s law of Induction- Equation of continuity- Displacement current- Final forms
27 28
of Maxwell’s Equations- Power and Poynting theorem- Time- Harmonic Electromagnetic fields- Wave equations (One dimension) - Plane Wave Propagation in perfect and Lossy Dielectric.
Unit-V
Electromagnetic Interference and Compatibility(Theoretical Aspects only): Introduction to Electromagnetic Interference and Electromagnetic Compatibility ( EMI & EMC)- Sources and Characteristics of EMI- Control Techniques of EMI- Grounding- Shielding- Filtering.
Suggested Reading:
- 1.Hayt, W.H and J.A Buck, Engineering Electromagnetics, 7th Edition, Mc Graw Hill, 2006.
- 2.Sadiku, M.N.O, Elements of Electromagnetics, 4th edition, Oxford University press, 2007.
- 3.Karl E. Lonngren, Sava V.Savov, Randy J.Jost, Fundamentals of Electromagnetics, With MATLAB, PHI, NewDelhi.