electromagnetism

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electromagnetism

 [e-lek″tro-mag´nĕ-tizm]
magnetism developed by an electric current.

electromagnetism

(ē-lĕk″trō-măg′nĕ-tĭzm)
Magnetism produced by an electric current.
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In 1820, the Danish experimenter Hans Oersted showed that Franklin had been halfwrong in his conclusion that electricity and magnetism were unrelated.
Intended for high school physics teachers who want to challenge their students with hands-on homework assignments, this guide offers 65 simple labs that illustrate such concepts as motion and kinematics, sound and light, forces and energy, electricity and magnetism. Horton (no affiliations listed) stresses the "high-impact, low-cost" aspect of these experiments by emphasizing the use of common household items and materials while developing such science-based skills as measuring, graphing, calculating and extrapolating.
The six titles comprising this informed, informative, and thoroughly 'kid friendly' series includes Electricity and Magnetism (978-1-58340-994-7); Energy and Matter (978-1-58340-999-2); Forces and Motion (978-158340-995-4); Light and Color (978-1-58340-996-1); Sound and Vibrations (978-1-58340-997-8); The Solar System and Beyond (978-1-58340-998-5).
In this accessible and engaging book, the author provides an overview of what physicists have established through centuries of theorizing and experimenting, Topics include the discovery of the connection between electricity and magnetism, Einstein's theory of special relativity, and the paradigm-shifting development of quantum physics.
There are many resemblances between electricity and magnetism. Both have opposites (positive and negative in electricity, north pole and south pole in magnetism).
Angel Gorospe, science research specialist, said there are at least 35 interactive exhibits on electricity and magnetism which provide opportunities for students and academic institutions to appreciate the wonders of science and technology (S&T).
Aimed at physics undergraduates who have completed a basic first-year physics course, this text explains electricity and magnetism. It covers vector analysis, electrostatics, electrostatic boundary value problems, formal and microscopic theories of dielectric electrostatics and magnetism and matter, electrostatic energy, steady currents and their magnetism, induction, magnetic energy, circuits with nonsteady currents, Maxwell's equations, radiation, electromagnetic boundary value problems, and the special theory of relativity.
His topics include matter and heat, electricity and magnetism, digital electronics and computer logic, the quantum physics of atoms and materials, semiconductor physics, light detectors and light-emitting diodes, fiber-optics communications, and communication networks and the Internet.
The great Scottish physicist and mathematician James Clerk Maxwell wrote a book in 1873 called Treatise on Electricity and Magnetism, which gave the solution to one of the great puzzles of our time.
Parker also relates how the principles of electricity and magnetism are used in the ignition system and how braking relies on friction.
The product of the experiment is a measurement of [[mu].sub.0], the permeability of free space: one of the fundamental constants in Electricity and Magnetism. This experiment is currently accessible directly across the internet for anyone's use.
The culminating work of Maxwell (see 1855) came in 1865 when he began to devise a set of equations (Maxwell's equations), simple in form, that expressed all the varied phenomena of electricity and magnetism and bound them together indissolubly, as Newton had done for gravitation.

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