electromotive force (EMF)

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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

• electromotive force — n. the force or electric pressure that causes or tends to cause a current to flow in a circuit, equivalent to the potential difference between the terminals and commonly measured in volts: abbrev. E, EMF, or emf …   English World dictionary

• electromotive force voltage — (emf) Electrical force which causes current (free electrons) to flow or move in an electrical circuit. Unit of measurement is the volt …   Dictionary of automotive terms

• electromotive force — (EMF) A source of electrical energy required to produce an electric current, produced by devices such as batteries or generators and measured in volts. See voltage …   Dictionary of automotive terms

• electromotive force — elec·tro·mo·tive force i .lek trō .mōt iv , trə n something that moves or tends to move electricity: the potential difference derived from an electrical source (as a cell or generator) per unit quantity of electricity passing through the source * …   Medical dictionary

• electromotive force — elec′tromo′tive force′ n. elm the energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source; the potential difference between the terminals of a source of electrical energy:… …   From formal English to slang

• electromotive force — /əˌlɛktroʊmoʊtɪv ˈfɔs/ (say uh.lektrohmohtiv faws) noun a measure of the intensity of a source of electrical energy which produces an electric current in a circuit. The SI unit is the volt. Abbrev.: EMF …  

• electromotive force — noun the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts • Syn: ↑voltage, ↑emf • Hypernyms: ↑electrical phenomenon …   Useful english dictionary

• 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

• EMF — steht für: Eclipse Modeling Framework, ein Open Source Java Framework Elektromagnetisches Feld, siehe Elektrodynamik Electromotive Force, siehe Elektromotorische Kraft Windows Enhanced Metafile, ein Grafikformat für Vektorgrafiken Eschweiler… …   Deutsch Wikipedia