Course Details
Subject {L-T-P / C} : EE3004 : Electromagnetic Field Theory { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Kanungo Barada Mohanty
Syllabus
Review of Vector Calculus [6 hours]
Basis of Vectors, Matrix representation of vector space, Transformation of Vector, Coordinate System and Transformation, Vector Products, Differential Length, Area and Volume, The Del Operator
Electrostatics [6 hours]
Point Charges, Charge Distributions, Electric Potential, Energy in Electrostatic Fields, Electrostatic Boundary Conditions, Poisson’s and Laplace’s Equation, Capacitance Determination, Electrostatic Devices
Magnetostatics [6 hours]
Fields and Currents, Forces on Charged Particles, Forces on Current Elements, Scalar and Vector Magnetic Potential, Magnetostatic Boundary Conditions, Inductance Determination, Magnetostatic Devices
Electromagnetics [6 hours]
Faraday’s Law, Transformer and motional EMF, Maxwell’s Equations, Boundary conditions in Electromagnetic Field, Energy Theorems
Electromagnetic wave propagation [6 hours]
Electromagnetic Wave Equation in Dielectrics and Conductors, Solution of Wave equation in Cartesian Coordinates in homogeneous Dissipative and Non dissipative Regions, Waves at interface between conductors and Dielectrics, Skin Depth, Power Flow and Poynting Vector, Reflection of waves at normal incidence, Standing Wave
Transmission Line [6 hours]
Transmission Lines: Introduction, Transmission Lines as Circuit Elements, Transmission Line Theory, Variation of Voltage and Current at distance x from the sending end, Primary Line Constant, Phase Velocity and Line wavelength, Characteristics impedance, The Propagation Coefficient, short circuit and open circuit impedances, Phase and Group velocities, Standing Waves, Voltage Standing Wave Ratio, Reflection Coefficient, Smith Chart, Solution of problems using Smith Chart, Stub Matching.
Course Objectives
- To acquire the knowlede of Maxell’s equations, Faraday’s law, Gauss’s law and Ampere’s law to solve field problems
- To apply divergence theorem and Stoke’s theorem to solve field problems
- To acquire the knowledge of time varying fields and wave propagation
- To acquire the knowledge of transmission line from electromagnetic field point of view
Course Outcomes
On completion of this course, students are expected to be able to: <br /> <br />CO1 solve electrostatic and magnetostatic problems under different boundary conditions. <br />CO2 calculate the force on moving charged particles and describe phenomena related to the Lorentz force. <br />CO3 interpret Maxwell Equations. <br />CO4 solve problems related to wave equations under different boundary conditions. <br />CO5 solve problems related to transmission lines.
Essential Reading
- M. N. O. Sadiku, Principles of Electromagnetics, Oxford University Press, New Delhi , 2009
- W. H. Hayt Jr. and J. A. Buck, Engineering Electromagnetics, McGraw Hill, New York , 2010
Supplementary Reading
- D.K. Cheng, Field and Wave Electromagnetics, Pearson Education, Singapore , 2003
- A. Pramanik, Electromagnetism, Vol. 1 (Theory), PHI, New Delhi , 2014