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The current density

См. также в других словарях:

  • Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …   Wikipedia

  • Current density imaging — (CDI) is an extension of magnetic resonance imaging (MRI), developed at the University of Toronto. It employs two techniques for spatially mapping electrical current pathways through tissue: LF CDI, low frequency CDI, the original implementation… …   Wikipedia

  • current density — n. the amount of electric current passing through a cross sectional area (perpendicular to the direction of current) of a conductor in a given unit of time: commonly expressed in amperes per square centimeter or amperes per square inch …   English World dictionary

  • current density — noun : the current per unit area of cross section perpendicular to flow in a region through which an electric current is flowing …   Useful english dictionary

  • current density — Elect. the amount of current flowing through a given cross sectional area in a given time interval: usually measured in amperes per square centimeter. * * * …   Universalium

  • current density — cur′rent den sity n. elm the amount of current flowing through a given cross sectional area in a given time interval: usu. measured in amperes per square centimeter …   From formal English to slang

  • current density — /ˈkʌrənt dɛnsəti/ (say kuruhnt densuhtee) noun the rate of flow in amperes per unit of cross sectional area at a given place in a conductor, or more generally, current per unit area …  

  • Current filament — A current filament is an inhomogeneity in the current density distribution lateral to the of the current flow (that is, orthogonal to the current density vector). It is common in the devices showing current type negative differential conductivity …   Wikipedia

  • Current sources and sinks — are analysis formalisms which distinguish points, areas, or volumes through which current enters or exits a system. While current sources or sinks are abstract elements used for analysis, generally they have physical counterparts in real world… …   Wikipedia

  • Current crowding — (also current crowding effect, or CCE) is a nonhomogenous distribution of current density through a conductor or semiconductor, especially at the vicinity of the contacts and over the PN junctions. Current crowding is one of the limiting factors… …   Wikipedia

  • Density (disambiguation) — Density and dense usually refer to a measure of how much of some entity is within a fixed amount of space. Types of density include: In physics, density of mass: Density, mass per volume Area density or surface density, mass over a (two… …   Wikipedia

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