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      Question

      What is the full form of 'AM' regarding radio

      broadcasting?
      A Amplitude Movement Correct Answer Incorrect Answer
      B Anywhere Movement Correct Answer Incorrect Answer
      C Amplitude Matching Correct Answer Incorrect Answer
      D Amplitude Modulation Correct Answer Incorrect Answer

      Solution

      AM broadcasting is the process of radio broadcasting using amplitude modulation. AM was the first method of impressing sound on a radio signal and is still widely used today. An AM receiver detects amplitude variations in the radio waves at a particular frequency. It then amplifies changes in the signal voltage to drive a loudspeaker or earphones.

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