00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| the offspring of a zebra and a donkey. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| eddy current | |
| —n | |
| Also called: Foucault current an electric current induced in a massive conductor, such as the core of an electromagnet, transformer, etc, by an alternating magnetic field | |
eddy current
in electricity, motion of electric charge induced entirely within a conducting material by a varying electric or magnetic field or by electromagnetic waves. Eddy currents induced in a power transformer core represent lost power and are undesirable; eddy currents used to produce heat for cooking or for a metallurgical furnace represent useful applications of the phenomenon.
Learn more about eddy current with a free trial on Britannica.com.