 # Electromagnetic Field Theory & Transmission Lines PVV details the step by step procedure for learning Electromagnetic Field Theory &Transmission Lines course from Scratch

What you will learn

### Transmission Lines-2

Description

Welcome to the dear learners of the Electromagnetic Field Theory Online learning course students!

PVV details the step-by-step procedure for learning Electromagnetic Field Theory&Transmission Lines course from Scratch. Online learning course from scratch. Electromagnetism is a branch of physical science that deals all about electricity and magnetism interactions. This field plays a vital role in electronics. Now we are living under the EM waves because EM is all around us, every time we turn ON  any switch or if we press any key on a computer keyboard, or every time we perform a similar action involving an everyday electrical device, electromagnetic actions comes into the picture to play. The most common use of electromagnets is in electric motors are using in our domestic purpose in our homes. of course, vacuum cleaners, refrigerators, washing machines, tumble driers, food blenders, fan ovens, microwaves, dish-washers, hair driers all are based on some principles of electromagnetic induction and other ways. So  It is a foundational stone for the upcoming modern technologies in computer science engineering, electromechanics engineering,  and photonics technologies.

The course comprises  7 sections

Section1:Introduction to electromagnetics which is a prerequisite to learn EM field theory course covered

Section2: Review of coordinate systems

Section3: Electrostatics

Section4: Electromagnetics

Section5:Electromagnetic characteristics

Section6:Transmission lines1

Section7:Transmission lines2

Introduction:

Electromagnetics (EM) is the subject having to do with electromagnetic fields. Electromagnetic field theory is essential to the course for developing the mist of electronics devices like switches, relays, and some electromagnetic devices also developed by this knowledge. So EM theory is essential and necessary on the basis for understanding the devices and systems used for electrical and magnetic energy. Both electric and magnetic fields are defined in terms of the forces they produce in the real world.  An electromagnetic field is made up of interdependent electric and magnetic fields, which is the case when the fields are varying with time, that is, they are dynamic in nature. So those who want to look for the design of electromagnetic devices this course really helps a lot and undergraduates also can take this course for betterment in their career.

What is a field and what is a vector field and what is a scalar field and how the field is created and how the field will act on point charges and in charged bodies will let you know in this course.

First, you will learn the Review of coordinate systems: So the review of coordinate systems deals with the cartesian, cylindrical and spherical coordinate systems and how to convert one coordinate to another coordinate system.

Before learning the EM field theory some vector algebra also required all the concepts which are required are given in the course as a part of the introductory part. Later discussed the divergence and gradient, as well as the stokes theorem and the divergence theorem, were discussed elaborately.

In the next section, you will know all about electrostatics that means coulombs law and electric field and electric field intensity at different charged bodies and in given points. Gauss law and Laplace and Poissons law relaxation time and uniqueness theorem electric potential energy density also discussed clearly.

In magneto statics deals with all about when the charges are in motion. in this section you will learn the biot savarts law, amperes circuit and force law as well as the fore between two parallel conductors and other important topics covered.

In electromagnetic characteristics deal with electric field components and magnetic components how it will be varied with time and the eave equations and wave propagation for dielectric medium and conductors solved. Intrinsic impedance and polarization techniques were also covered elaborately.

In the next subsequent sections transmission lines 1 and 2 discussed and what is transmission lines and the derivation of basic transmission lines and intrinsic impedance, open circuit and short circuit conditions in the load for transmission lines and other concepts delivered.

Feel free to ask any doubt while learning the course

Happy learning!

Skill Gems Education

PUDI V V S NARAYANA

English
language

Content

### Introduction

Introduction to Electromagnetic Theory
What is fielld and explaining of all the fields including electromagnatic field
Position Vector
Distance vector
Types of vectors and Unit Vector clear explanation
Formulas used in Electromagnetics—Vector Algebra
Formulas used in Electromagnetics—Vector Algebra Contd.,
Formulas used in Electromagnetics—Vector Algebra Contd.,
Formulas used in Electromagnetics—Vector Algebra Contd.,
Formulas used in Electromagnetics—Vector Algebra
Formulas used in Electromagnetics—Vector Algebra Contd.,
Review of Coordinate systems-Rectangular coordinate system
Cylindrical coordinate system
Spherical Coordinate system
Point Transformation: Cylindrical to Rectangular vice-versa
Rectangular to Cylindrical point transformation
Revision of all Point transformation formulas
Rectangular to Cylindrical Vector transformation
Cylindrical to Rectangular to Cylindrical Vector transformation contd.,
Rectangular to Spherical Vector transformation contd.,
What is del operator del with temperature
Divergence or Dot product
Divergence Theorem
Mathematical expression of Curl
Curl
Variation of temperature with Del operator in 3 dimension
physical characteristics of a Divergence
physical characteristics of a Curl
Curl proof
Stokes Theorem

### Electrostatics

Coulombs Law
Coulombs law contd.,
Coulombs law contd.,
Coulombs law applied due to system of charges
Electric Field and Electric field intensity
Electric field due to system of charges
Electric field lines and its properties
Line integral
Surface integral and Volume integral
Continuous charge distributions
Electric field intensity due to various charge distributions
Electric flux lines
Electric flux density
Electric flux density contd.,
Electric flux density due to various charge distributions
Gauss law
Gauss theorem proof
Continuity variation for time varying fields
Relaxation time
Electric potential
Electric potential due to different charges
Maxwells equations
Relationbetween E and H
Energy density and energy stored in a electrostatic field
Energy density and energy stored in a electrostatic field contd.,
Poissons equation
laplace equation
Uniqueness theorem

### Magnetostatics

Introduction to magnetostatics
Biot savarts law
Amperes circuit or work law
Amperes circuit or work law proof
H due to infinite sheet current
maxwells equation and magnetic flux density
Magnetic force
Transformer EMF and motional induced EMF
Transformer EMF and motional induced EMF
Transformer EMF and motional induced EMF
Modified Ampere circuital law for time varying fields
Displacement current density and current
Magnetic Force on current element
Amperes force law between two conductors
Maxwell’s equations
Maxwell equations for time varying fields
Maxwell’s equations for sinusoidal variations

### electromagnetic cjaracteristics

Electromagnetic wave characteristics introduction
Wave equation for lossless delta
Wave equations for lossless conducting medium
1
EM wave equation for conducting medium
Wave propagation in a lossless medium
Wave propagation in lossless conducting medium
Attenuation constant and phase constant
Conductors and dielectric
EM wave equation in good dielectric
EM wave characteristics in good conductor
Wave propagation in good condition good deltax continued
Skin depth
Uniform plane wave
Uniform plane wave characteristics and properties
polarization of uniform plane wave

### Transmission lines

Introduction to transmission lines introduction to transmission lines
Transmission line equations
Transmission line equations
Transmission line equations continued
Infinite transmission line
Characteristic impedance
Characteristic impedance for finite length
lossless transmission line
Distortionless transmission line
Distortions and its properties

### Transmission lines Ii

Input impedance of lossless infinitet transmission line OC and SClines
Input impedance of lossly infinitet transmission line OC and SClines
Input impedance of lossless infinitet transmission line OC and SClines
Reflection coefficient

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