Hilary D. Brewster
Oxford Book Company| 2009 | ISBN-10: 9789380179001 | Pdf | 19.48 MB
This book 'Electrostatics' on the physics of electricity, magnetism,
and electromagnetic fields and waves. It is written mainly with the physics
student in mind, although it will also be of use to students of electrical
and electronic engineering. The major aspects of the electrical field
including atomic structure and basic electricity, direct and alternating
current, basic circuit theory, three-phase circuits, single phase,
transformers, generators, and motors.
All studerlts of physics need to understand the basic concepts of
electricity and magnetism. E&M is central to the study of physics, and
central tc understanding the developments of the last two hundred years
of not just science, but technology. But the core of electricity and
magnetism can be difficult to understand - many of the ideas are
counterintui.tive and difficult to appreciate.
This as a basis, it is possible to develop all of electromagnetic theory
from a single experimental postulate founded on Coulomb's law. An
enriched understanding of magnetism results, and the Biot-Savart law is
a consequence rather than a postulate. The Lorentz force law is seen to
be a transformation of Coulomb's law occasioned by the relativistic
interpretation of force.
Upon accepting the Lorentz force law as fundamental, one is able to
derive Faraday's emf law and Maxwell's equations as additional
consequences. This procedure provides the further satisfaction of
demonstrating that the fields contained in the Lorentz force law and in
Maxwell's equations are one and the same, a conclusion not possible in
the conventional development of the subject.
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