A Dash Of Maxwell's -- Chapter II -- Why Things Radiate

As part of our ongoing Technology 101 coverage, RF Globalnet is presenting the historic six-part article series on Maxwell's equations by Dr. Glen Dash. Written specifically for the Web, these articles are intended to serve as a primer on electromagnetic field theory. The first article introduces Maxwell's equations for static fields and can be found here. This second article details why things radiate. Additional installments will be featured in upcoming editions of RF Globalnet newsletter.

By Dr. Glen Dash, Ampyx LLC

In Chapter I, I introduced Maxwell's Equations for the static case, that is, where charges in free space are fixed, and only direct current flows in conductors. In this chapter, I'll make the modifications to Maxwell's Equations necessary to encompass the "dynamic" case, that is where magnetic and electric fields are changing. Then I will try to explain why things radiate.

Click here for the next article in this series: A Dash Of Maxwell's -- Chapter III -- The Difference A Del Makes.