- common magnet galvanometer
- 共磁式振动子
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… … Wikipedia
galvanometer — /gal veuh nom i teuhr/, n. an instrument for detecting the existence of small electric currents and determining their strength. [1795 1805; GALVANO + METER] * * * Instrument for measuring small electric currents by deflection of a moving coil. A… … Universalium
Mirror galvanometer — A mirror galvanometer A mirror galvanometer is a mechanical meter that senses electric current, except that instead of moving a needle, it moves a mirror. The mirror reflects a beam of light, which projects onto a meter, and acts as a long,… … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Timeline of electromagnetism — The timeline of electromagnetism, that is the timeline of the human understanding of electromagnetic forces, dates back over two thousand years ago. It lists, within the history of electromagnetism, the associated theories, technology, and events … Wikipedia
Faraday , Michael — (1791–1867) British physicist and chemist Faraday s father was a blacksmith who suffered from poor health and could only work irregularly. Faraday, who was born in Newington, knew real poverty as a child and his education was limited for he left… … Scientists
Ammeter — Amperemeter redirects here. For the unit of measurement, see Ampere meter. Demonstration model of a moving iron ammeter. As the current through the coil increases, the plunger is drawn further into the coil and the pointer deflects to the right … Wikipedia
Faraday's law of induction — For the relationship between a time varying magnetic field and an induced electric field, see Maxwell s equations. Electromagnetism … Wikipedia
Mouse mill motor — Larger Froment motor, circa 1900 Froment s mouse mill motor was an early form of electric motor, also known as the Revolving Armature Engine … Wikipedia
MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel … Wikipedia
Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers … Wikipedia