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
Link popularity

... pop") is a measure of the quantity and quality of other web sites that link to a specific site on the World Wide Web. It is an example of the move by search engines ...