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Definition of "Dielectric Constant" |
Relative permittivity. It is the ratio of the capacitance of a capacitor with the given material as dielectric, to the capacitance of the same capacitor with vacuum (or air) as the dielectric. / The ratio of a given dielectric to the dielectric value of air. The property of an insulation which determines the electrostatic energy stored per unit volume for unit potential gradient. That property of a dielectric that determines the electrostatic energy stored per unit volume for a unit potential gradient. Permittivity is the preferred term. / A number that describes the dielectric strength of a material relative to a vacuum, which has a dielectric constant of one. / Dielectric constant is the historical term which, although still very common, has been deprecated by the relevant standards organizations. There is potential ambiguity in this predecessor name, as some older authors used it for the absolute permittivity while in most modern usage it refers to a relative permittivity which in its turn may be either its static or the frequency-dependent variant, depending on context. / In electronics an LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, consists of two electronic components connected together; an inductor, represented by the letter L, and a capacitor, represented by the letter C. The circuit can act as an electrical resonator, an electrical analogue of a tuning fork, storing energy oscillating at the circuit's resonant frequency. / (1) a quantity that describes how a material stores and dissipates electrical energy. |
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