Saturday, July 21, 2012



EE2202                                          ELECTROMAGNETIC THEORY                            L T  P C
3 1  0  4
This subject aims to provide the student an understanding of the fundamentals of electromagnetic fields and their applications in Electrical Engineering.

To impart knowledge on
i.    Concepts of electrostatics, electrical potential, energy density and their applications.
ii.    Concepts  of  magnetostatics,  magnetic  flux  density,  scalar  and  vector  potential  and  its applications.
iii.  Faradays laws, induced emf and their applications.
iv.  Concepts of electromagnetic waves and Pointing vector.

UNIT I             INTRODUCTION                                                                                                          8
Sources and effects of electromagnetic fields Vector fields Different co-ordinate systems- vector calculus Gradient, Divergence and Curl - Divergence theorem Stokes theorem.

UNIT II            ELECTROSTATICS                                                                                                    10
Coulombs Law Electric field intensity Field due to point and continuous charges Gausss law and application Electric potential Electric field and equipotential plots Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric strength - Electric field in multiple dielectrics   Boundary  conditions,  Poissons  and  Laplaces  equations   CapacitanceEnergy density.

UNIT III           MAGNETOSTATICS                                                                                                    9
Lorentz Law of force, magnetic field intensity Biotsavart Law - Amperes 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 potential Magnetic force Torque Inductance Energy density Magnetic circuits.

UNIT IV          ELECTRODYNAMIC FIELDS                                                                                      8
Faradays 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            ELECTROMAGNETIC WAVES                                                                                   9
Generation Electro Magnetic Wave equations Wave parameters; velocity, intrinsic impedance, propagation constant Waves in free space, lossy and lossless dielectrics, conductors-skin depth, Poynting vector – Plane wave reflection and refraction Transmission lines Line equations Input impedances Standing wave ratio and power.
L = 45  T = 15  TOTAL: 60 PERIODS


1.  Mathew N. O. SADIKU, Elements of Electromagnetics, Oxford University press Inc. First India edition, 2007.
2.  Ashutosh Pramanik, Electromagnetism Theory and Applications, Prentice-Hall of India Private
Limited, New Delhi, 2006.

1.  Joseph. A.Edminister, Theory and Problems of Electromagnetics, Second edition, Schaum
Series, Tata McGraw Hill, 1993.
2.  William .H.Hayt, Engineering Electromagnetics, Tata McGraw Hill edition, 2001.
3.  Kraus and Fleish, Electromagnetics with Applications, McGraw Hill International Editions, Fifth
Edition, 1999.

7/21/2012 11:36:00 PM


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