Multiple choice

Consider the frequency modulated signal 10 cos [2$\pi$ x 105 t + 5 sin (2$\pi$ x 1500 t) + 7.5 sin (2$\pi$ x 1000 t)] with carrier frequency of 105 Hz. The modulation index is

  1. 12.5

  2. 10

  3. 7.5

  4. 5

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