| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,764,302,811 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
current density |
Also found in: Dictionary/thesaurus, Wikipedia | 0.02 sec. |
|
current density [′kər·ənt ‚den·səd·ē] (electricity) The current per unit cross-sectional area of a conductor; a specialization of the physics definition. Also known as electric current density. (physics) A vector quantity whose component perpendicular to any surface equals the rate of flow of some conserved, indestructible quantity across that surface per unit area per unit time. Also known as current. Current density A vector quantity equal in magnitude to the instantaneous rate of flow of electric charge, perpendicular to a chosen surface, per unit area per unit time. If a wire of cross-sectional area A carries a current I, the current density J is I/A. The units of J in the rationalized meter-kilogram-second system are amperes per square meter. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
By contrast, ordinary household wiring carries current densities that reach only a few hundred amperes per square centimeter. the critical temperatures, current densities, and field strengths, along with the structure of the materials. In general, he noted, the City took areas where there were more vacant sites and rezoned to make it easier to develop with new residential, but at current densities, and in the historic areas, reduced densities and reduced the allowable envelopes. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|