Electromagnetism sets a new standard in physics education. Throughout the book, the theory is illustrated with real-life applications in modern technology. It also includes detailed work examples and step-by-step explanations to help readers develop their problem-solving strategies and skills and consolidate their understanding. In addition to a meticulous development of thse traditional, analytical mathematical approaches, readers are also introduced to a range of techniques required for solving problems using computers. Electromagnetism provides an ideal preparation for readers who plan advanced studies in electrodynamics as well as those moving into industry or engineering .
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11.1 □ THE MAXWELL EQUATIONS IN VACUUM AND THE DISPLACEMENT
CURRENT The Maxwell equations express relations between the
electromagnetic fields E(x, t) and B(x, t), and between the fields and their sources.
We start our ...
11.5 □ ELECTROMAGNETIC WAVES IN VACUUM In this section we consider
electric and magnetic fields without charges or currents. The Maxwell equations
in vacuum, without any matter at all, i.e., with p = 0 and J = 0, are VE = 0 (11.70) ...
One difference between electromagnetic waves in vacuum and those in a
dielectric is the wave speed. In vacuum there is a unique propagation velocity c,
and the dispersion relation is co = ck for all frequencies. The vacuum phase
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History and Perspective
Basic Principles of Electrostatics
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