Cantor Lectures on the Electromagnet (Classic Reprint)

Silvanus Phillips Thompson

ISBN 10: 1330602471 / ISBN 13: 9781330602478

Editore: Forgotten Books, 2018

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Print on Demand. This book is an exploration of the electromagnet, a device that revolutionized the field of electrical engineering and made possible many modern technologies. The author, an expert in the field of electromagnetism, provides a comprehensive overview of the history, principles, and applications of electromagnets. Beginning with the early discoveries of scientists like Sturgeon and Henry, the book traces the development of electromagnets from their humble origins to their modern-day applications in everything from MRI machines to electric motors. The author provides clear explanations of the underlying physics, including concepts such as magnetic fields, magnetic permeability, and hysteresis. The book also discusses the practical aspects of designing and building electromagnets, covering topics such as coil winding, core materials, and power considerations. This book is an essential resource for anyone interested in learning more about electromagnets and their many applications. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.

Codice articolo 9781330602478_0

Dati bibliografici

• Titolo: Cantor Lectures on the Electromagnet (Classic Reprint)
• Editore: Forgotten Books
• Data di pubblicazione: 2018
• Lingua: Inglese
• ISBN 10: 1330602471
• ISBN 13: 9781330602478
• Rilegatura: Paperback
• Condizione: New
• Tipo di libro: print-on-demand item
• Cataloghi dei venditori:
  • Electronics

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Riassunto

Excerpt from Cantor Lectures on the Electromagnet

Other electro-mechanical contrivances, come within the purview of the electrical engineer. In every one of these, and in many more of the useful applications of electricity, the central organ is an electromagnet. By means of this simple and familiar contrivance - an iron core surrounded by a copper-wire coil - mechanical ao tions are produced at will, at a distance, under control, by the agency of electric currents. These mechanical actions are known to vary with the mass, form, and quality of the iron core, the quantity and disposition of the copper wire wound upon it, the quantity of electric current circulating around it, the form, quality, and distance of the iron armature upon which it acts. But the laws which govern the mechanical action in re lation to these various matters are by no means well known, and, indeed, several of them have long been a matter of dispute. Gradually, however, that which has been vague and indeterminate becomes clear and pre cise. The laws of the steady circulation of electric cur rents, atone time altogether obscure, were cleared up by the discovery of the famous law of Ohm. Their ex tension to the case of rapidly interrupted currents, such as are used in telegraphic working, was discovered by Helmholtz; while to Maxwell is due their future exten sion to alternating, or, as they are sometimes called, undulatory currents. All this was purely electric work. But the law of the electromagnet was still undiscovered; the magnetic part of the problem was still buried in obscurity. The only exact reasoning about magnetism dealt with problems of another kind; it was couched in language of a misleading character for the practical.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.