## EE8391 - ELECTROMAGNETIC THEORY (Syllabus) 2017-regulation Anna University

EE8391

ELECTROMAGNETIC THEORY

LTPC

3003

OBJECTIVES:
• To introduce the basic mathematical concepts related to electromagnetic vector fields
• To impart knowledge on the concepts of
 Electrostatic fields, electrical potential, energy density and their applications.
 Magneto static fields, magnetic flux density, vector potential and its applications.
 Different methods of emf generation and Maxwell’s equations
 Electromagnetic waves and characterizing parameters

UNIT I

ELECTROSTATICS – I

6+6

Sources and effects of electromagnetic fields – Coordinate Systems – Vector fields –Gradient, Divergence, Curl – theorems and applications - Coulomb’s Law – Electric field intensity – Field due to discrete and continuous charges – Gauss’s law and applications.

UNIT II

ELECTROSTATICS – II

6+6

Electric potential – Electric field and equipotential plots, Uniform and Non-Uniform field, Utilization factor – Electric field in free space, conductors, dielectrics - Dielectric polarization – Dielectric strength - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and Laplace’s equations, Capacitance, Energy density, Applications.

UNIT III

MAGNETOSTATICS

6+6

Lorentz force, magnetic field intensity (H) – Biot–Savart’s Law - Ampere’s Circuit Law – H 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, Poisson’s Equation, Magnetic force, Torque, Inductance, Energy density, Applications.

UNIT IV

ELECTRODYNAMIC FIELDS

6+6

Magnetic Circuits - Faraday’s law – Transformer and motional EMF – Displacement current - Maxwell’s equations (differential and integral form) – Relation between field theory and circuit theory – Applications.

UNIT V

ELECTROMAGNETIC WAVES

6+6

Electromagnetic wave generation and 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.

TOTAL: 60 PERIODS

OUTCOMES:
• Ability to understand the basic mathematical concepts related to electromagnetic vector fields.
• Ability to understand the basic concepts about electrostatic fields, electrical potential, energy density and their applications.
• Ability to acquire the knowledge in magneto static fields, magnetic flux density, vector potential and its applications.
• Ability to understand the different methods of emf generation and Maxwell’s equations
• Ability to understand the basic concepts electromagnetic waves and characterizing parameters
• Ability to understand and compute Electromagnetic fields and apply them for design and analysis of electrical equipment and systems

TEXT BOOKS:
1. Mathew N. O. Sadiku, ‘Principles of Electromagnetics’, 6th Edition, Oxford University Press Inc. Asian edition, 2015.
2. William H. Hayt and John A. Buck, ‘Engineering Electromagnetics’, McGraw Hill Special Indian edition, 2014.
3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, Fifth Edition, 2010.

REFERENCES:
1. V.V.Sarwate, ‘Electromagnetic fields and waves’, First Edition, Newage Publishers, 1993.
2. J.P.Tewari, ‘Engineering Electromagnetics - Theory, Problems and Applications’, Second Edition, Khanna Publishers.
3. Joseph. A.Edminister, ‘Schaum’s Outline of Electromagnetics, Third Edition (Schaum’s Outline Series), McGraw Hill, 2010.
4. S.P.Ghosh, Lipika Datta, ‘Electromagnetic Field Theory’, First Edition, McGraw Hill Education(India) Private Limited, 2012.
5. K A Gangadhar, ‘Electromagnetic Field Theory’, Khanna Publishers; Eighth Reprint : 2015