Subject Code & Name: EE25C10 – Electromagnetic Theory
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.E. Electrical and Electronics Engineering (EEE) / B.E. Electrical and Computer Engineering (EEE(Comp))
Credits / L-T-P: 4 Credits | L-T-P: 3-1-0
Course Objectives
- To introduce the fundamental concepts of electric, magnetic, and electromagnetic fields.
- To develop the ability to analyze field behavior, field distributions, and electromagnetic wave propagation using basic mathematical and engineering principles.
- To enhance problem-solving and visualization skills through graphical representation, analytical methods, and practical applications of electromagnetics.
Full Unit-wise Syllabus
Unit I – Electrostatics I
Sources, effects and exposure limits of electromagnetic fields, Coordinate systems, Vector calculus-Gradient, Divergence and Curl, theorems and applications, Coulomb’s Law – Electric field intensity – Electric Field due to discrete and continuous charges – Gauss’s law and applications.
Activities: Graphical Representation and interpretation of fields (using Mathematical Development Tool) Computation, graphical representation and interpretation of Vector addition, subtraction, multiplication - dot product and cross product in 2-D and 3-D Gradient fields, Divergence fields & Curl fields.
Unit II – Electrostatics II
Electric potential – Electric fields and equipotential plots, Uniform and Non-Uniform fields, Utilization factor – Electric field in free space, conductors, dielectric -Dielectric polarization – Dielectric strength , Electric fields in multiple dielectrics – Boundary conditions, capacitance, Energy density, Poisson’s and Laplace’s equations, Applications.
Activities: Sketch equipotential lines, E-field lines, and verify boundary conditions at dielectric interfaces for parallel plate, coaxial, and point charge geometries on graph paper.
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 and mutual inductance, Energy density, Applications.
Activities: Quiz, assignment, visual demonstration, seminar, review of GATE questions
Unit IV – Electrodynamic Fields
Magnetic Circuits - Faraday’s law – Transformer and motional EMF – Displacement current - Maxwell’s equations (differential and integral form) – Time varying potential – Relation between field theory and circuit theory, Applications.
Activities: Quiz, assignment, visual demonstration, seminar, review of GATE questions
Unit V – Electromagnetic Waves
Electromagnetic Wave Generation and Wave equations – Wave parameters; velocity, intrinsic impedance, propagation constant – Waves in free space, lossless and lossy dielectrics, conductors-skin depth, Poynting vector, Plane wave reflection and refraction – Standing Wave, Applications.
Activities: Quiz, assignment, visual demonstration, seminar, review of GATE questions
Course Outcomes (COs)
- CO1: Apply vector calculus tools and coordinate systems to represent and analyze basic electromagnetic field quantities.
- CO2: Apply electrostatic laws to determine electric field intensity, electric potential, capacitance, and dielectric behavior in simple configurations.
- CO3: Analyze magnetic fields and magnetic circuits using Biot Savart law and Ampere’s circuital law.
- CO4: Interpret Maxwell’s equations and explain the behavior of time varying electromagnetic fields and induction phenomena.
- CO5: Describe electromagnetic wave propagation characteristics in free space and different media for basic engineering applications.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Assignments (20%), Solution to application-oriented problems using software (20%), review of GATE questions (20%),Internal Examinations (40%)
Source: Official Anna University – B.E. Electrical and Electronics Engineering R-2025 Curriculum
Last Updated: September 2026
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