ELECTROMAGNETIC THEORY (BEC401)

ELECTROMAGNETIC THEORY

Course Code BEC401 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:0 
SEE Marks 50
Total Hours of Pedagogy 40 
Total Marks 100
Credits 03 
Exam Hours 03
Examination type (SEE) THEORY

Module­ 1

Revision of Vector Calculus – (Text 1: Chapter 1)

Coulomb’s Law, Electric Field Intensity and Flux density: Experimental law of Coulomb,

Electric field intensity, Field due to continuous volume charge distribution, Field of a line charge,

Field due to Sheet of charge, Electric flux density, Numerical Problems. (Text: Chapter 2.1 to

2.5, 3.1) RBT Level: L1, L2, L3

Module­ 2

Gauss’s Law and Divergence: Gauss ‘law, Application of Gauss’ law to Point Charge, line

charge, Surface charge and Volume Charge, Point (differential) form of Gauss law, Divergence.

Maxwell‘s First Equation (Electrostatics), Vector Operator ▼and divergence theorem,

Numerical Problems (Text: Chapter 3.2 to 3.7).Energy expended or work done in moving a

point charge in anElectric field, The line integral ((Text: Chapter 4.1 and 4.2) Current and

Current density, Continuity of current. (Text: Chapter 5.1, 5.2) RBT Level: L1, L2, L3

Module-3

Poisson’s and Laplace’s Equations: Derivation of Poisson‘s and Laplace‘s Equations, Examples

of the solution of Laplace‘s equation, Numerical problems on Laplace’s equation

(Text: Chapters 7.1 and 7.3)

Steady Magnetic Field: Biot­Savart Law, Ampere‘s circuital law, Curl, Stokes‘ theorem,

Magnetic flux and magnetic flux density.

(Text: Chapters 8.1 to 8.5) RBT Level: L1, L2, L3

Module-4

Magnetic Forces: Force on a moving charge, differential current elements, Force between

differential current elements, Numerical problems (Text: Chapter 9.1 to 9.3).

Magnetic Materials: Magnetization and permeability, Magnetic boundary conditions, the

magnetic circuit, problems (Text: Chapter 9.6 to 9.8) RBT Level: L1, L2, L3

Module-5

Faraday’s law of Electromagnetic Induction –Integral form and Point form, Numerical problems.

Inconsistency of Ampere’s law with continuity equation, displacement current, Conduction

current, Derivation of Maxwell‘s equations in point form, and integral form, Maxwell’s

equations for different media, Numerical problems (Text: Chapter10.1 to10.4)

Uniform Plane Wave: Wave propagation in free space, Uniform plane wave, Derivation of

plane wave equations from Maxwell’s equations,Poynting‘s Theorem and wave power, Skin

effect or Depth of penetration, Numerical problems. (Text: Chapter 12.1, 12.3, 12.4) RBT

Level: L1, L2, L3

Suggested Learning Resources:

Text Book:

1. W.H. Hayt and J.A. Buck, ―Engineering Electromagnetics, 8th Edition, Tata McGraw­ Hill,

2014, ISBN­978­93­392­0327­6.

Reference Books:

1. Elements of Electromagnetics – Matthew N.O., Sadiku, Oxford University press, 4thEdn.

2. Electromagnetic Waves and Radiating systems – E. C. Jordan and K.G. Balman, PHI, 2ndEdn.

3. Electromagnetics­ Joseph Edminister, Schaum Outline Series, McGraw Hill.

4. N. Narayana Rao, ―Fundamentals of Electromagnetics for Engineering, Pearson

Web links and Video Lectures (e-­Resources):

NPTEL Video lectures : https://youtu.be/pGdr9WLto4A

NPTEL Video lectures: https://youtu.be/xn2IpxI991M