__EE3301__

__ELECTROMAGNETIC FIELDS__

**COURSE OBJECTIVES:**

•
To introduce the basic mathematical concepts related to electromagnetic vector
fields

•
To impart knowledge on the concepts of

✓ Electrostatic fields, electric 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**

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**

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**

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**

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**

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**

** **

**COURSE OUTCOMES:**

Upon
the successful completion of the course, students will be able to:

**CO1:**
Visualize and explain Gradient, Divergence, and Curl operations on
electromagnetic vector fieldsand identify the electromagnetic sources and their
effects.

**CO2:**
Compute and analyse electrostatic fields, electric potential, energy density
along with their applications.

**CO3:**
Compute and analyse magneto static fields, magnetic flux density, vector
potential along with their applications.

**CO4:**
Explain different methods of emf generation and Maxwell's equations

**CO5:**
Explain the concept of electromagnetic waves and characterizing parameters

**TEXT BOOKS:**

1.
Mathew N. O. Sadiku, S.V. Kulkarni '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', Second Edition, Newage
Publishers, 2018.

2.
J.P.Tewari, 'Engineering Electromagnetics - Theory, Problems and Applications',

Second
Edition, Khanna Publishers 2013.

3.
Joseph. A. Edminister, 'Schaum's Outline of Electromagnetics, Fifth Edition
(Schaum's Outline Series), McGraw Hill, 2018.

4.
S.P.Ghosh, Lipika Datta, ‘Electromagnetic Field Theory', First Edition, Mc Graw
Hill Education(India) Private Limited, 2017.

5.
K A Gangadhar, 'Electromagnetic Field Theory', Khanna Publishers; Sixteenth
Edition Eighth Reprint:2015