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The ampere is named for French physicist and mathematician André-Marie Ampère (1775–1836), who studied electromagnetism and laid the foundation of electrodynamics.In recognition of Ampère's contributions to the creation of modern electrical science, an international convention, signed at the 1881 International Exposition of Electricity, established the ampere as a standard unit of ...
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input ...
An electric machine that converts electric power between two forms, say, AC and DC or single-phase and three phase, or between two different frequencies of AC (the latter two can be performed by the same machine). rotary encoder A transducer that converts rotation of a shaft to a measurement. rotary switch
The volt-ampere (SI symbol: VA, [1] sometimes V⋅A or V A) is the unit of measurement for apparent power in an electrical circuit. It is the product of the root mean square voltage (in volts) and the root mean square current (in amperes). [2] Volt-amperes are usually used for analyzing alternating current (AC) circuits.
Power amplifier circuits (output stages) are classified as A, B, AB and C for linear designs—and class D and E for switching designs. The classes are generally based on the proportion of each input cycle (conduction angle) during which an amplifying device passes current. [2]
Abbreviation of the plural for ampere, a unit of electric current; Abbreviation of the plural for amplifier, a circuit or device that amplifies electrical signals; The Amps, an American rock band; Advanced Mobile Phone System
A Rhode Island man has admitted to using gasoline to set several fires around the exterior of a predominantly Black church earlier this year, according to a federal plea agreement.
The AMP, a youth center and music venue in Minot, North Dakota, U.S. AMP Incorporated, U.S. connector company; AMP Limited, Australian financial services company; Amp Electric Vehicles; Anjaman Mozareen Punjab, organisation for land rights in Pakistan; AMP Singapore, a Singapore-based organization formerly known as Association of Muslim ...