RF System and Microwave Remote Sensing (EMAG)

Why Study Electromagnetics?

A Poem by: Nannapaneni Narayana Rao

So, you are curious about learning EM
Let us proceed further with the PoEM

First you should know that E means electric field

And furthermore that B stands for magnetic field

Now, the static E and B fields may be independent

But the dynamic E and B fields are interdependent

Causing them to be simultaneous

And to coexist in any given space

Which makes EM very illuminating

And modern day life most interesting

For it is the interdependence of E and B fields
That is responsible for electromagnetic waves
In earlier courses you might have learnt circuit theory

It is all an approximation of electromagnetic field theory

So you see they put the cart before the horse
But it is okay to do that and still make sense
Because at low frequencies circuit approximations are fine

But at high frequencies electromagnetic effects are prime

So, whether you are an electrical engineer
Or you happen to be a computer engineer
Whether you are interested in high frequency electronics

Or maybe high-speed computer communication networks

You see, electromagnetic effects are prime
Studying the fundamentals of EM is sublime.

But then, some of you might say,

“Sir, I still have a ProblEM with EM, because it is full of abstract mathematics!”

To that I say,

My dear student who is afraid of electromagnetics
Because it appears to be full of abstract mathematics
I want you to know that it is the power of mathematics

That enabled Maxwell’s prediction through his equations

Of the physical phenomenon of electromagnetic radiation

Even before its finding by Hertz through experimentation

In fact it was this accomplishment
That partly resulted in the entitlement
For the equations to be known after Maxwell
Whereas in reality they are not his laws after all
For example the first one among the four of them
Is Faraday’s Law expressed in mathematical form
You see, mathematics is a compact means

For representing the underlying physics
Therefore do not despair when you see mathematical derivations

Throughout this textbook on Elements of Engineering Electromagnetics **

Instead look through the derivations to understand the concepts

Realizing that mathematics is only a means to extend the physics

Think of you as riding the horse of mathematics
To conquer the new frontier of ELECTROMAGNETICS

Let you and me together go on the ride
As I take you through the steps in stride!

It all began ...

when I became an EM fan...

UNDERGRADUATE Courses

Basic Courses:

INEL4301: Communications Theory I (3cr.)

INEL4151: Electromagnetics I (3cr.)