Multiple choice

Consider an angle modulated signal x(t) = 6cos[2π x 106t + 2sin(8000πt) + 4cos(8000pt)] V. The average power of x(t)

  1. 10W

  2. 18W

  3. 20W

  4. 28W

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

$Power \qquad P = \dfrac{6^2}{2} = 18W$