ELECTROMAGNETIC THEORY
22EPC306-ElectroMagnetic Theory
Unit I Introduction
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate systems- vector Calculus – problems and physical significance of Gradient, Divergence and Curl - Divergence theorem – Stoke’s theorem.
Unit II Electric Fields
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges – Gauss’s law and application – Electric potential – Electric field and equipotential plots – Electric field in free space, conductors, - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and Laplace’s equations – Capacitance- Energy density.
Unit III Magnetic Fields
Lorentz Law of force, magnetic field intensity – Biot-Savart’s Law - Ampere’s Law – Magnetic field due to straight conductors, circular loop, infinite sheet of current – Magnetic flux density (B) – B in free space, conductor, magnetic materials – Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and vector magnetic potential – Magnetic force – Torque – Inductance – Energy density – Magnetic circuits.
Unit IV Electromagnetic Fields
Faraday’s laws – induced emf – Transformer and motional EMF – Forces and Energy in quasi stationary Electromagnetic Fields - Maxwell’s equations (differential and integral forms) – Displacement current – Relation between field theory and circuit theory.
Unit V Eletromagnetic Waves
Electromagnetic wave equations – Wave parameters: velocity, intrinsic impedance, propagation Constant – Waves in free space, Lossy and lossless dielectrics, conductors – skin depth, Poynting theorem, Poynting vector – Transmission lines – Line equations– Input impedances – Standing wave ratio and power.
BOOKS:
S.P.Seth, “Elements of Electromagnetic Fields”, Dhanpath Rai & Sons, New Delhi, 2011.
William. H. Hayt, “Engineering Electromagnetics”, Tata McGraw Hill, 2011
Additional Link: https://www.researchgate.net/publication/246041673_Electromagnetic_Field_Theory_Fundamentals
K.A.Gangadhar, P.M.Ramanthan, ‘Electromagnetic Field Theory (including Antennaes and wave propagation)’, 16th Edition, Khanna Publications,2008.