. Define amplifier? – InterviewSolution

1.	. Define amplifier?
Answer» Anamplifier,electronic amplifieror (informally)ampis an electronic device that can increase thepowerof asignal(a time-varyingvoltageorcurrent). It is atwo-portelectronic circuit that uses electric power from apower supplyto increase theamplitudeof a signal applied to its input terminals, producing a proportionally greater amplitude signal at its output.

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