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Thomson electromotive force

См. также в других словарях:

  • thomson electromotive force — noun Usage: usually capitalized T : a difference of electric potential associated with difference of temperature between different parts of an otherwise homogeneous strip of metal inferred from the Thomson effect …   Useful english dictionary

  • 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

  • thomson effect — noun or thomson heat Usage: usually capitalized T : a redistribution of temperature differences along an otherwise homogeneous strip of metal due to an electric current passing through it called also Kelvin effect; see thomson electromotive force …   Useful english dictionary

  • thomson coefficient — ˈtäm(p)sən noun Usage: usually capitalized T Etymology: after William Thomson (Baron Kelvin) died 1907 British mathematician and physicist : the Thomson electromotive force per degree of temperature …   Useful english dictionary

  • 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

  • thermoelectromotive force — |thər(ˌ)mō+... noun Etymology: therm + electromotive force : electromotive force in a circuit composed of dissimilar conductors that is produced because of its not being at a uniform temperature throughout compare peltier effect, thomson effect * …   Useful english dictionary

  • History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …   Wikipedia

  • electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… …   Universalium

  • Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

  • Displacement current — Electromagnetism Electricity · …   Wikipedia

  • thermodynamics — thermodynamicist, n. /therr moh duy nam iks/, n. (used with a sing. v.) the science concerned with the relations between heat and mechanical energy or work, and the conversion of one into the other: modern thermodynamics deals with the properties …   Universalium

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