what is an amplifier?
60 Views|Posted 2011-10-27 22:01:04
Asked by Sai Krishna
1 Answer
Answered by
2011-10-28 00:01:04
Generally, an amplifier or simply amp, is a device for increasing the power of a signal.
In popular use, the term usually describes an electronic amplifier, in which the input "signal" is usually a voltage or a current. In audio applications, amplifiers drive the loudspeakers used in PA systems to m
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