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Physics

The branch of science concerned with the properties of matter and energy and the relationships between them.

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Physics > Electromagnetism

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.

amplifier
Physics; Electromagnetism

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

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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