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GATE ECE 2010 | Question-21

Consider an angle modulated signal $x(t)=6 \cos \left[2 \pi \times 10^{6} t+2 \sin (8000 \pi t)+4 \cos (8000 \pi t)\right] \mathrm{V}$. The average power of $x(t)$ is

  1. $10 \mathrm{~W}$
  2. $18 \mathrm{~W}$
  3. $20 \mathrm{~W}$
  4. $28 \mathrm{~W}$
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