Field Theory
Summary
An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field. The electromagnetic field extends indefinitely throughout space and describes the electromagnetic interaction. It is one of the four fundamental forces of nature (the others are gravitation, the weak interaction and strong interaction).
The field can be viewed as the combination of an electric field and a magnetic field. The electric field is produced by stationary charges, and the magnetic field by moving charges (currents); these two are often described as the sources of the field. The way in which charges and currents interact with the electromagnetic field is described by Maxwell's equations and the Lorentz force law.
From a classical perspective in the history of electromagnetism, the electromagnetic field can be regarded as a smooth, continuous field, propagated in a wavelike manner; whereas, from the perspective of quantum field theory, the field is seen as quantized, being composed of individual particles
Course Objectives:
To study different coordinate systems for understanding the concept of gradient, divergence, and curl of a vector.
To study the application of Coulomb’s Law and Gauss Law for electric fields produced by different charge configurations.
To evaluate the energy and potential due to a system of charges.
To study the behaviour of the electric field across a boundary between a conductor and dielectric and between two different dielectrics.
To study the magnetic fields and magnetic materials.
To study the time-varying fields and propagation of waves in different media.
Course Outcomes:
At the end of the course the student will be able to:
Use different coordinate systems to explain the concept of gradient, divergence, and curl of a vector.
Use Coulomb’s Law and Gauss Law for the evaluation of electric fields produced by different charge configurations.
Calculate the energy and potential due to a system of charges.
Explain the behavior of the electric field across a boundary between a conductor and dielectric and between two different dielectrics.
Explain the behavior of magnetic fields and magnetic materials.
Assess time-varying fields and propagation of waves in different media.
Some Inspirational Images of shows importance of Electromagnetic Field theory
GATE/IES SPECIAL
The following handwritten notes can improve your skills in magnetic fields as well. I am sure the notes can give Huge concepts in detail way to u.
HANDWRITTEN NOTES (you can download below)
Chapter No
Chapter1
Chapter2
Chapter3
Chapter4
Chapter5
Topic
VECTOR- ANALYSIS
Introduction
Properties
Theorems
ELECTRIC FIELDS
a. Coulomb’s law and Electric field intensity
b. Electric flux density, Gauss law, and divergence
c. Energy and potential
CONDUCTORS, DIELECTRICS AND CAPACITANCE
Poisson’s and Laplace’s equations
MAGNETOSTATICS
The steady magnetic field
Magnetic forces, materials, and inductance
ELECTROMAGNETIC WAVES
Time-varying fields and Maxwell’s equations
PPT
Old course material
Facebook Link
Tweet Me Here
Google Plus
Like on YouTube
My Blogger