dielectric constant - определение. Что такое dielectric constant
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Что (кто) такое dielectric constant - определение

RATIO OF PERMITTIVITY TO THE ELECTRIC CONSTANT
Dielectric Constant; Relative Permittivity; Dielectric constant; Static relative permittivity; Relative dielectric constant; Static dielectric constant; Relative static permittivity; Relative real permittivity; Relative imaginary permittivity
  • Temperature dependence of the relative static permittivity of water
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Dielectric Constant         
The number or coefficient expressing the relative dielectric capacity of a medium or substance. (See Capacity, Specific Inductive.)
dielectric constant         
¦ noun Physics a quantity measuring the ability of a substance to store electrical energy in an electric field.
Relative permittivity         
The relative permittivity (in older texts, dielectric constant) is the permittivity of a material expressed as a ratio with the electric permittivity of a vacuum. A dielectric is an insulating material, and the dielectric constant of an insulator measures the ability of the insulator to store electric energy in an electrical field.
Dielectric         
  • A polarised dielectric material
ELECTRICALLY POORLY CONDUCTING OR NON-CONDUCTING, NON-METALLIC SUBSTANCE OF WHICH CHARGE CARRIERS ARE GENERALLY NOT FREE TO MOVE
Dielectric level; Paraelectricity; Dielectric dispersion; Dipolar polarization; Ionic polarization; Dielectric media; Dielectric medium; Dielectric relaxation; Debye relaxation; Debye equation; Dielectrics; Dialectric; Dielectric materials; Relaxation time of electrons; Dielectric relaxation as a chemical rate process; Dielectric relaxation asa chemical rate process; Paraelectric; Dielectric polarization; Dielectric properties; Dielectric response; Perfect dielectric; Dielectric material; Paraelectrics; Ionic polarisation
·noun Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.
Dielectric Polarization         
  • A polarised dielectric material
ELECTRICALLY POORLY CONDUCTING OR NON-CONDUCTING, NON-METALLIC SUBSTANCE OF WHICH CHARGE CARRIERS ARE GENERALLY NOT FREE TO MOVE
Dielectric level; Paraelectricity; Dielectric dispersion; Dipolar polarization; Ionic polarization; Dielectric media; Dielectric medium; Dielectric relaxation; Debye relaxation; Debye equation; Dielectrics; Dialectric; Dielectric materials; Relaxation time of electrons; Dielectric relaxation as a chemical rate process; Dielectric relaxation asa chemical rate process; Paraelectric; Dielectric polarization; Dielectric properties; Dielectric response; Perfect dielectric; Dielectric material; Paraelectrics; Ionic polarisation
A term due to Faraday. It expresses what he conceived to be the condition of a dielectric when its opposite faces are oppositely electrified. The molecules are supposed to be arranged by the electrification in a series of polar chains, possibly being originally in themselves seats of opposite polarities, or having such imparted to them by the electricities. The action is analogous to that of a magnet pole on a mass of soft iron, or on a pile of iron filings.
Dielectric         
  • A polarised dielectric material
ELECTRICALLY POORLY CONDUCTING OR NON-CONDUCTING, NON-METALLIC SUBSTANCE OF WHICH CHARGE CARRIERS ARE GENERALLY NOT FREE TO MOVE
Dielectric level; Paraelectricity; Dielectric dispersion; Dipolar polarization; Ionic polarization; Dielectric media; Dielectric medium; Dielectric relaxation; Debye relaxation; Debye equation; Dielectrics; Dialectric; Dielectric materials; Relaxation time of electrons; Dielectric relaxation as a chemical rate process; Dielectric relaxation asa chemical rate process; Paraelectric; Dielectric polarization; Dielectric properties; Dielectric response; Perfect dielectric; Dielectric material; Paraelectrics; Ionic polarisation
A non-conductor; a substance, the different parts of which may, after an electric disturbance, remain, without any process of readjustment, and for an indefinite period of time, at potentials differing to any extent (Daniell). There is no perfect dielectric. The term dielectric is generally only used when an insulator acts to permit induction to take place through it, like the glass of a Leyden jar.
Dielectric         
  • A polarised dielectric material
ELECTRICALLY POORLY CONDUCTING OR NON-CONDUCTING, NON-METALLIC SUBSTANCE OF WHICH CHARGE CARRIERS ARE GENERALLY NOT FREE TO MOVE
Dielectric level; Paraelectricity; Dielectric dispersion; Dipolar polarization; Ionic polarization; Dielectric media; Dielectric medium; Dielectric relaxation; Debye relaxation; Debye equation; Dielectrics; Dialectric; Dielectric materials; Relaxation time of electrons; Dielectric relaxation as a chemical rate process; Dielectric relaxation asa chemical rate process; Paraelectric; Dielectric polarization; Dielectric properties; Dielectric response; Perfect dielectric; Dielectric material; Paraelectrics; Ionic polarisation
In electromagnetism, a dielectric (or dielectric material or dielectric medium) is an electrical insulator that can be polarised by an applied electric field. When a dielectric material is placed in an electric field, electric charges do not flow through the material as they do in an electrical conductor, because they have no loosely bound, or free, electrons that may drift through the material, but instead they shift, only slightly, from their average equilibrium positions, causing dielectric polarisation.
Constant Nieuwenhuys         
  • Constant Nieuwenhuys (1974)
  • Constant Nieuwenhuis fountain - 1970, Kooiplein in [[Leiden]]
  • Alderman Van der Berg received wire sculpture of Constant Nieuwenhuis, 1956
DUTCH PAINTER (1920-2005)
Constant Nieuwenhuis; Constant (artist); Fondation Constant; Constant Anton Nieuwenhuis; Constant Anton Nieuwenhuys
Constant Anton Nieuwenhuys (21 July 1920 – 1 August 2005), better known as Constant, was a Dutch painter, sculptor, graphic artist, author and musician.
Coulomb constant         
PROPORTIONALITY CONSTANT IN ELECTRODYNAMICS EQUATIONS
Coulomb force constant; Coulomb's constant; Coulomb's Constant; Electrostatic constant; Electric force constant
The Coulomb constant, the electric force constant, or the electrostatic constant (denoted , or ) is a proportionality constant in electrostatics equations. In SI base units it is equal to .
Khinchin's constant         
  • The limit <math>\lim_{n\rightarrow\infty}(\pi_1\pi_2...\pi_n)^{1/n}</math> seems to tend to Khinchin's constant.
MATHEMATICAL CONSTANT
Khintchine constant; Khinchin constant; Khinchine's constant
In number theory, Aleksandr Yakovlevich Khinchin proved that for almost all real numbers x, coefficients ai of the continued fraction expansion of x have a finite geometric mean that is independent of the value of x and is known as Khinchin's constant.

Википедия

Relative permittivity

The relative permittivity (in older texts, dielectric constant) is the permittivity of a material expressed as a ratio with the electric permittivity of a vacuum. A dielectric is an insulating material, and the dielectric constant of an insulator measures the ability of the insulator to store electric energy in an electrical field.

Permittivity is a material's property that affects the Coulomb force between two point charges in the material. Relative permittivity is the factor by which the electric field between the charges is decreased relative to vacuum.

Likewise, relative permittivity is the ratio of the capacitance of a capacitor using that material as a dielectric, compared with a similar capacitor that has vacuum as its dielectric. Relative permittivity is also commonly known as the dielectric constant, a term still used but deprecated by standards organizations in engineering as well as in chemistry.