electromagnetic electromotive force

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• Electromotive force — (emf, mathcal{E}) is a term used to characterize electrical devices, such as voltaic cells, thermoelectric devices, electrical generators and transformers, and even resistors. For a given device, if an electric charge Q passes through that device …   Wikipedia

• electromotive force — Elect. the energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source of the energy; the potential difference between the terminals of a source of electrical energy: expressed… …   Universalium

• Counter-electromotive force — The counter electromotive force also known as back electromotive force (abbreviated counter EMF, or CEMF)[1] is the voltage, or electromotive force, that pushes against the current which induces it. CEMF is caused by a changing electromagnetic… …   Wikipedia

• electromagnetic induction — noun : the induction of an electromotive force in a circuit by varying the magnetic flux linked with the circuit * * * Elect. the induction of an electromotive force by the motion of a conductor across a magnetic field or by a change in magnetic… …   Useful english dictionary

• force — forceable, adj. forceless, adj. forcer, n. forcingly, adv. /fawrs, fohrs/, n., v., forced, forcing. n. 1. physical power or strength possessed by a living being: He used all his force in opening the window. 2. strength or power exerted upon an… …   Universalium

• electromagnetic induction — Elect. the induction of an electromotive force by the motion of a conductor across a magnetic field or by a change in magnetic flux in a magnetic field. * * * Induction of an electromotive force in a circuit by varying the magnetic flux linked… …   Universalium

• force — {{Roman}}I.{{/Roman}} noun 1 physical strength, power or violence ADJECTIVE ▪ considerable, great, terrible, tremendous ▪ full, maximum ▪ brute …   Collocations dictionary

• electromagnetic induction — elec′tromagnet′ic induc′tion n. elm the induction of an electromotive force by the motion of a conductor across, or by a change in magnetic flux in, a magnetic field …   From formal English to slang

• electromagnetic induction — /əˌlɛktroʊmægnɛtɪk ɪnˈdʌkʃən/ (say uh.lektrohmagnetik in dukshuhn) noun the induction of an electromotive force in a circuit by a change in the magnetic flux linked with it …  

• A Dynamical Theory of the Electromagnetic Field — which was written in the year 1864, is the third of James Clerk Maxwell s papers concerned with electromagnetism. It is the paper in which the original set of four Maxwell s equations first appeared. The concept of displacement current that he… …   Wikipedia

• Lorentz force — This article is about the equation governing the electromagnetic force. For a qualitative overview of the electromagnetic force, see Electromagnetism. For magnetic force of one magnet on another, see force between magnets. Electromagnetism …   Wikipedia