Question

Define Amplifier . . ​

Answer 1

Answer:

The angstrom or ångström is a metric unit of length equal to 10⁻¹⁰ m; that is, one ten-billionth of a metre, 0.1 nanometre, or 100 picometres. Its symbol is Å, a letter of the Swedish alphabet. The ångström is not a part of the SI system of units, but it can be considered part of the metric system in general.

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Answer 2

Answer:

An amplifier is an electronic device or circuit which is used to increase the magnitude of the signal applied to its input. Amplifier is the generic term used to describe a circuit which produces and increased version of its input signal.