relative electric permittivity

См. также в других словарях:

• Relative static permittivity — The relative static permittivity (or static relative permittivity) of a material under given conditions is a measure of the extent to which it concentrates electrostatic lines of flux. It is the ratio of the amount of stored electrical energy… …   Wikipedia

• Relative permittivity — Relative static permittivities of some materials at room temperature under 1 kHz[1] Material εr Vacuum 1 (by definition) Air 1.00058986 ± 0.00000050 (at STP, for 0.9 MH …   Wikipedia

• Permittivity — A dielectric medium showing orientation of charged particles creating polarization effects. Such a medium can have a higher ratio of electric flux to charge (permittivity) than empty space In electromagnetism, absolute permittivity is the measure …   Wikipedia

• Electric susceptibility — The electric susceptibility χe of a dielectric material is a measure of how easily it polarizes in response to an electric field. This, in turn, determines the electric permittivity of the material and thus influences many other phenomena in that …   Wikipedia

• Electric displacement field — In physics, the electric displacement field, denoted as , is a vector field that appears in Maxwell s equations. It accounts for the effects of free charges within materials. D stands for displacement, as in the related concept of displacement… …   Wikipedia

• permittivity — /perr mi tiv i tee/, n., pl. permittivities. Elect. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum. Also called dielectric constant, relative permittivity,… …   Universalium

• Electric potential energy — Electromagnetism Electricity · …   Wikipedia

• permittivity — /pɜməˈtɪvəti/ (say permuh tivuhtee) noun 1. absolute permittivity, the ratio of electric displacement to electric field strength in a dielectric medium. 2. relative permittivity, the ratio of the absolute permittivity of a medium to the absolute… …  

• Electric potential — Electromagnetism Electricity · …   Wikipedia

• Vacuum permittivity — This article is about the electric constant. For the analogous magnetic constant, see vacuum permeability. For the ordinal in mathematics ε0, see epsilon naught. The physical constant ε0, commonly called the vacuum permittivity, permittivity of… …   Wikipedia

• Constitutive equation — Many defining equations are in the form of a constitutive equation, since parameters of a property or effect associated matter are characteristic to the substance in question. A large number of other defining equations not specifically… …   Wikipedia