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electromagnetism Encyclopędia Britannica Article
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science of charge and of the forces and fields associated with charge. Electricity and magnetism are two aspects of electromagnetism. Electricity and magnetism were long thought to be separate forces. It was not until the 19th century that they were finally treated as interrelated phenomena. In 1905 Albert Einstein's special theory of relativity established beyond
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Contents of this article: Introduction Fundamentals Coulomb's law Principle of charge conservation Electric fields and forces Magnetic fields and forces Interaction of a magnetic field with a charge Effects of varying magnetic fields Faraday's law of induction Self-inductance and mutual inductance Effects of varying electric fields Historical survey Early observations and applications Emergence of the modern sciences of electricity and magnetism Pioneering efforts Invention of the Leyden jar Formulation of the quantitative laws of electrostatics and magnetostatics Foundations of electrochemistry and electrodynamics Development of the battery Experimental and theoretical studies of electromagnetic phenomena Faraday's discovery of electric induction Maxwell's unified theory of electromagnetism Discovery of the electron and its ramifications Special theory of relativity Development of electromagnetic technology Additional reading
|  | To cite this page: MLA style: "Electromagnetism." Encyclopędia Britannica. 2003. Encyclopędia Britannica Premium Service. 02 Sep, 2003 <http://www.britannica.com/eb/article?eu=108502>. APA style: Electromagnetism. Encyclopędia Britannica. Retrieved September 2, 2003, from Encyclopędia Britannica Premium Service. <http://www.britannica.com/eb/article?eu=108502> Britannica style: "electromagnetism" Encyclopędia Britannica from Encyclopędia Britannica Premium Service. <http://www.britannica.com/eb/article?eu=108502> [Accessed September 2, 2003].
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