Chapter 5
Electromagnetic Fields and Waves
EM waves can neither be seen nor sensed nor are they audible.
The main aim of this chapter is to provide overall concepts of EM waves and their characteristics. They include:
- applications of EM waves
- wave equations and solutions
- propagation characteristics
- waves in conductors and dielectrics
- polarisation
- normal and oblique incidence of EM waves
- reflection and transmission coefficients
- Brewster angle and total internal reflection
- Surface impedance and Poynting theorem
- solved problems, points/formulae to remember, objective and multiple choice questions and exercise problems.
Do you know?
The electricity generated from every power socket has associated low frequency electromagnetic fields.
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