magnet gap

См. также в других словарях:

• Magnet — This article is about objects and devices that produce magnetic fields. For a description of magnetic materials, see magnetism. For other uses, see Magnet (disambiguation) …   Wikipedia

• Magnet therapy — This article is about static magnetic fields in alternative medicine. For medical uses of electromagnetism, see Electromagnetic therapy (disambiguation). Energy medicine edit Acupuncture Energy (esotericism) Energy medicine Polarity therapy Reik …   Wikipedia

• magnet — /mag nit/, n. 1. a body, as a piece of iron or steel, that possesses the property of attracting certain substances, as iron. 2. a lodestone. 3. a thing or person that attracts: The park was a magnet for pickpockets and muggers. [1400 50; late ME… …   Universalium

• Spark-gap transmitter — A spark gap transmitter is a device for generating radio frequency electromagnetic waves. These devices served as the transmitters for most wireless telegraphy systems for the first three decades of radio (1887 ndash;1916) and the first… …   Wikipedia

• Achievement gap in the United States — An achievement gap refers to the observed disparity on a number of educational measures between the performance of groups of students, especially groups defined by gender, race/ethnicity, ability, and socioeconomic status. The achievement gap can …   Wikipedia

• Air gap — (Physics) An air filled gap in a magnetic or electric circuit; specif., in a dynamo or motor, the space between the field magnet poles and the armature; clearance. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• air gap — noun 1. : an air filled gap in a magnetic or electric circuit (as the space between the field magnet poles and the armature in a dynamo or motor) 2. : wind gap 3. : the vertical distance between the point where water enters a plumbing fixture (as …   Useful english dictionary

• particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …   Universalium

• Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …   Wikipedia

• Voice coil — A voice coil (consisting of a bobbin, collar and winding) is the coil of wire attached to the apex of the cone of a loudspeaker. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. The… …   Wikipedia

• electromechanical transducer — ▪ instrument Introduction       any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone). Many of the transducers used in… …   Universalium