Multiple choice

“FM”stands for

  1. Fermi method

  2. Frequent modulation

  3. Frequency modulation

  4. Fan modulation

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

FM is the standard abbreviation for Frequency Modulation, a method of encoding information in a radio wave by varying the frequency. This is contrasted with AM (Amplitude Modulation). FM is commonly used in radio broadcasting due to its superior sound quality and noise resistance.