What does AM mean?

Angelo marconi
Anno median
Amplitude modulation
Amperes

The correct answer is C. Amplitude modulation.

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via radio waves. In amplitude modulation, the amplitude (or strength) of a carrier wave is varied in accordance with the instantaneous value of the information signal.

The other options are incorrect.

  • Angelo Marconi was an Italian inventor and electrical engineer who is considered to be one of the pioneers of radio.
  • Anno median is a Latin phrase that means “in the middle year.”
  • Amperes is the unit of electric current in the International System of Units (SI).