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Electromagnetic Waves By E. R. Dobbs

Electromagnetic Waves
by E. R. Dobbs

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£38.99
The following four chapters provide solutions of Maxwell's equations for the propagation of electro- magnetic waves in free space, in dielectrics, across interfaces and in conductors respectively.
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Electromagnetic Waves Summary


Electromagnetic Waves by E. R. Dobbs

Electromagnetism began in the nineteenth century when Faraday showed electricity and magnetism were not distinct, separate phenomena, but interacted when there were time-varying electric or magnetic fields. In Electricity and Magnetism I have shown from first principles how Faraday's experiments led finally to Maxwell's four equations, which with the electromagnetic-force law summarise the whole of classical electromagnetism. This book therefore begins with Maxwell's equations and then uses them to study the propagation and generation of electromagnetic waves. Physics is a subject in which the more advanced the treatment of a topic, the deeper the understanding of common occurrences that is revealed. In studying the solutions of Maxwell's equations you will find answers to such questions as: What is an electro- magnetic wave? Why does a radio wave travel through space at the speed of light? How is a radio wave generated? Why does light pass through a straight tunnel when a radio wave does not? How does light travel down a curved glass fibre? It is a remarkable fact that the classical laws of electromagnetism are fully consistent with Einstein's special theory of relativity and this is discussed in Chapter 2. The following four chapters provide solutions of Maxwell's equations for the propagation of electro- magnetic waves in free space, in dielectrics, across interfaces and in conductors respectively.

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Table of Contents


1 The electromagnetic field.- 2 Electromagnetism and relativity.- 2.1 Lorentz transformations.- 2.2 Fields of moving charges.- 2.3 Vector potentials.- 2.4 Energy of electromagnetic field.- 2.5 Retarded potentials.- 3 Electromagnetic waves in space.- 3.1 Wave equations.- 3.2 Plane waves.- 3.3 Spherical waves.- 3.4 Energy density and energy flow.- 4 Electromagnetic waves in dielectrics.- 4.1 Polarisation of dielectrics.- 4.2 Wave parameters in dielectrics.- 4.3 Absorption and dispersion.- 5 Reflection and refraction.- 5.1 Boundary relations.- 5.2 Fresnel's equations.- 5.3 Energy flow at a boundary.- 5.4 Total internal reflection.- 6 Electromagnetic waves in conductors.- 6.1 Wave parameters in conductors.- 6.2 Wave impedance and reflectance.- 6.3 Energy flow and radiation pressure.- 6.4 Plasmas.- 7 Generation of electromagnetic waves.- 7.1 Hertzian dipole.- 7.2 Radiant energy and power.- 7.3 Antennas.- 7.4 Scattering.- 8 Guided waves.- 8.1 Waveguide equation.- 8.2 Rectangular waveguides.- 8.3 Waveguide modes.- 8.4 Cavities.- Appendix 1 Electromagnetic quantities.- Appendix 2 Gaussian units.- Appendix 3 Physical constants.- Appendix 4 Vector calculus.- Appendix 5 Lorentz transformations.- Appendix 6 Exercises.- Appendix 7 Answers to exercises.

Additional information

GOR004688538
Electromagnetic Waves by E. R. Dobbs
E. R. Dobbs
Student Physics Series
Used - Very Good
Paperback
Kluwer Academic Publishers Group
1985-05-30
150
0710205066
9780710205063
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us.