January 2026
Beginner to intermediate
796 pages
20h 13m
English
Content preview from Electromagnetic Fields and Waves, 3rd Edition
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CHAPTER 7
ELECTROMAGNETIC WAVES
7.1 INTRODUCTION
In general, the electromagnetic wave (EM wave) is a carrier of energy or information and a function of both space and time. The existence of EM waves was predicted by Maxwell, and it was formulated through his well-known Maxwell’s equations. Later, Heinrich Hertz proved experimentally that Maxwell’s prediction of EM wave was true and also succeeded in the generation and detection of radio waves.
The study of wave behaviour is the major concern and it begins with the derivation of wave equations. The EM wave propagation in different mediums can be best understood by applying Maxwell’s equations. The wave parameters such as wavelength and velocity, the medium parameters such as propagation constant ...
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