Encyclopedia > Dielectric

  Article Content

Dielectric

In physics, the term dielectric has the following meanings:

1. A substance in which an electric field may be maintained with zero or near-zero power dissipation, i.e. , the electrical conductivity is zero or near zero.

Note 1: A dielectric material is an electrical insulator.

Note 2: In a dielectric, electrons are bound to atoms and molecules, hence there are few free electrons.

2. Pertaining to a substance that has a zero or near zero electrical conductivity.

Source: from Federal Standard 1037C

See also: dielectric strength, dielectric constant



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Digital Rights Management

... by copyright holders to be unacceptable. See Professor Edward Felten's freedom-to-tinker Web site for information and pointers. An early example of a DRM system is the ...

 
 
 
This page was created in 29.1 ms