homopolar magnet

См. также в других словарях:

• Homopolar generator — A homopolar generator is a DC electrical generator comprising an electrically conductive disc rotating in a plane perpendicular to a uniform static magnetic field. A potential difference is created between the center of the disc and the rim, the… …   Wikipedia

• Homopolar motor — A homopolar motor has a magnetic field along the axis of rotation and an electric current that at some point is not parallel to the magnetic field. The name homopolar refers to the absence of polarity change.DescriptionMoving electric charges (an …   Wikipedia

• Magnetic bearing — A magnetic bearing A magnetic bearing is a bearing which supports a load using magnetic levitation. Magnetic bearings support moving machinery without physical contact, for example, they can levitate a rotating shaft and permit relative motion… …   Wikipedia

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• Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …   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

• Faraday paradox — This article describes the Faraday paradox in electromagnetism. There is a different Faraday paradox in electrochemistry: see Faraday paradox (electrochemistry). The Faraday paradox (or Faraday s paradox) is an experiment that illustrates Michael …   Wikipedia

• Electric generator — U.S. NRC image of a modern steam turbine generator In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow… …   Wikipedia

• Electrical generator — In electricity generation, an electrical generator is a device that converts mechanical energy to electrical energy, generally using electromagnetic induction. The reverse conversion of electrical energy into mechanical energy is done by a motor …   Wikipedia

• Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… …   Wikipedia

• Michael Faraday — Born 22 September 1791(1791 09 22) Newington Butts, England …   Wikipedia