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A power source is a source of power. Most commonly the type of power referred to is: * Power (physics), the rate of doing work; equivalent to an amount of energy consumed per unit time * Electric power, the rate at which electrical energy is transferred by an electric circuit; usually produced by electric generators or batteries PowerSource may also refer to: * PowerSource (phone brand), mobile phone that can make use of both Sprint-Nextel cellular networks * PowerSource (musical group), a Christian music group of the 1980s * ''PowerSource'', a weekly print section, and a companion website of the ''Pittsburgh Post-Gazette'', highlighting the Pittsburgh region’s diverse energy industry Power source may also refer to: * A source of primary energy, an energy form found in nature that has not been subjected to any conversion or transformation process * Energy carrier, or secondary energy, a substance or phenomenon that contains energy that can be later converted to other forms such as mechanical work or heat or to operate chemical or physical processes * * Fuel, a material that stores potential energy in forms that can be practicably released and used for work * * See Energy development for an overview of primary and secondary energy or power sources or, often more specifically to an electric power source: *The electric power industry * A source of electrical energy * * Electric power system, a network of electrical components used to supply, transmit and use electric power * * * Electricity generation, the process of generating electric power from other sources of primary energy * * * Power station, an industrial facility for the generation of electric power * * * Electric generator, a device that converts mechanical energy to electrical energy for use in an external circuit * * * Electric power transmission * * * Electric power distribution * * * Mains electricity or household power, the general-purpose alternating-current (AC) electric power supply * * * AC power plugs and sockets, devices that allow electrically operated equipment to be connected to the primary alternating current (AC) power supply in a building * * Battery (electricity), a device consisting of two or more electrochemical cells that convert stored chemical energy into electrical energy Some conversion devices are sometimes called a "power source": * Engine, a machine designed to convert energy into useful mechanical motion * Power supply, an electronic device that supplies electric energy to an electrical load, by converting one form of electrical energy to another ==See also== * Power (disambiguation) * Prime mover (disambiguation) * Source (disambiguation) * Current source * Voltage source 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Power source」の詳細全文を読む スポンサード リンク
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