Amplifier

Amplifier

An electronic device that increases the strength of a sound or an electric current. Television and radio have amplifiers.

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Part of Speech: noun
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Industry/Domain: Physics
Category: Electromagnetism
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Related terms

amplifier

Physics; Electromagnetism

An electronic device that increases the strength of a sound or an electric current. Television and radio have amplifiers.

amplify

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amplifier

Engineering; Electronic engineering

Any device that increases the magnitude of an applied signal. It receives an input signal and delivers a larger output signal that, in addition to its increased amplitude, is a ...

amplify

Engineering; Electronic engineering

To perform the functions of amplification (See amplification, 1).

amplifier

Telecommunications; General telecom

1. An electronic component that boosts the voltage or power level of a signal that is a linear replica of the input signal, but with greater power or voltage level, and sometimes ...

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shunt field

Physics; Electromagnetism

Part of the magnetic flux produced in a machine by the shunt winding connected across the voltage source.

shunt-field

Physics; Electromagnetism

Part of the magnetic flux produced in a machine by the shunt winding connected across the voltage source.

ammeter

Physics; Electromagnetism

An instrument that measures the strength of an electric current in units called as amperes.

band

Physics; Electromagnetism

A specific range of wavelengths or frequencies in the electromagnetic spectrum. Radio waves from one of the bands of the electromagnetic spectrum.

broadcast

Physics; Electromagnetism

To send out signals in the form of electromagnetic waves. Radio and television signals are broadcast by transmitters.

cathode

Physics; Electromagnetism

The positive electrode in an electric cell, such as a battery, that creates its own electricity is called cathode.

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