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NPTEL Courses

Electromagnetic Fields

This is a course on electromagnetic theory, aimed at EEE students who are doing power electronics, machines, power systems and other subjects. The course consists of four main areas: electrostatics, magnetostatics, time dependent fields and waves. Electrostatics introduces the electric field, electric potential and an important equation namely Poisson's equation. The second part has to do with the magnetic field, and we will study how currents produce magnetic fields. The third part deals with Faraday's law. This is the crucial part of the course for EEE students, because it is a combination of Ampere's law and Faraday's law that makes all electric machines, generators, and almost all power generation systems to work. At the last part of the course, we will introduce Maxwell's equations and waves. (from nptel.ac.in )

Instructor

Prof. Harishankar Ramachandran, Department of Electrical Engineering, IIT Madras.

Electronics

2007

Lecture 01 - Course Introduction, Introduction to Vector

Lecture 02 - Introduction to Vector (cont.)

Lecture 03 - Coulomb's Law

Lecture 04 - Electric Field

Lecture 05 - Electrostatic Potential

Lecture 06 - The Gradient

Lecture 07 - Gauss's Law

Lecture 08 - Poisson's Equation

Lecture 09 - Energy in the Field

Lecture 10 - Example Problems in Electrostatics

Lecture 11 - Fields in Materials

Lecture 12 - Fields in Material Bodies

Lecture 13 - Displacement Vectors

Lecture 14 - Capacitors

Lecture 15 - Method of Images

Lecture 16 - Poisson's Equation: 2 Dimensions

Lecture 17 - Field near Sharp Edges and Points

Lecture 18 - Magnetic Field 1

Lecture 19 - Magnetic Field 2

Lecture 20 - Stokes' Theorem

Lecture 21 - The Curl

Lecture 22 - Field due to Current Loop

Lecture 23 - Ampere's Law

Lecture 24 - Examples of Ampere's Law

Lecture 25 - Inductance

Lecture 26 - Mutual Inductance

Lecture 27 - Faraday's Law

Lecture 28 - Magnetic Energy

Lecture 29 - Magnetic Energy (cont.)

Lecture 30 - Magnetic Energy (cont.)

Lecture 31 - Generalized Ampere's Law (Maxwell's Equations)

Lecture 32 - The Wave Equation

Lecture 33 - The Wave Equation (cont.)

Lecture 34 - Poynting Theorem

Lecture 35 - Skin Effect

Lecture 36 - Skin Effect (cont.)

Lecture 37 - Radiation and Circuits

Lecture 38 - Phasor Form of Poynting Theorem

Lecture 39 - Reflection at Dielectric Boundaries

Lecture 40 - Reflection at Dielectric Boundaries (cont.)

Lecture 41 - Transmission Lines

Lecture 42 - Transmission Lines (cont.) and Conclusion