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:

1. Mathew N. O. Sadiku, “Elements of Electromagnetics”, Oxford University press Inc. India Edition,6th Edition,  2018. 

2. Joseph.  A.  Edminister,  “Theory  and  Problems  of  Electromagnetics”,  2nd  Edition, Schaum Series, Tata McGraw Hill, 1993. 

3. S.P.Seth, “Elements of Electromagnetic Fields”, Dhanpath Rai & Sons, New Delhi, 2011.

4. Ashutosh Pramanik, “Electromagnetism – Theory and Applications”, Prentice-Hall of India Private Limited, New Delhi, 2008.  

5. William. H. Hayt, “Engineering Electromagnetics”, Tata McGraw Hill, 2011 

6. Kraus and Fleish, “Electromagnetics with Applications”, McGraw Hill International Editions,  5th Edition, 1999. 

7. Bhag   Singh   Guruand   Hüseyin   R.   Hiziroglu   “Electromagnetic field Fundamentals”, Cambridge University Press;2015 Second Revised Edition

8. Additional Link: https://www.researchgate.net/publication/246041673_Electromagnetic_Field_Theory_Fundamentals

9. K.A.Gangadhar, P.M.Ramanthan, ‘Electromagnetic Field Theory (including Antennaes and wave propagation)’, 16th Edition, Khanna Publications,2008.