Multiple choice

A form of modulation in which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal is known as

  1. Attenuation

  2. Amplitude modulation

  3. Modem

  4. Multiplexer

  5. Distortion

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B Correct answer
Explanation

This is the correct option. A form of modulation in which the amplitude of the carrier wave is varied in accordance with some characteristic of the modulating signal, is known as amplitude modulation.