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GATE ECE 2002 | Question: 2.18

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An angle-modulated signal is given by $s(t)=\cos 2 \pi\left(2 \times 10^{6} t+30 \sin 150 t+40 \cos 150 t\right)$.The maximum frequency and phase deviations of $s(t)$ are

  1. $10.5 \; \mathrm{kHz}, 140 \pi \; \mathrm{rad}$
  2. $6 \; \mathrm{kHz}, 80 \pi \; \mathrm{rad}$
  3. $10.5 \; \mathrm{kHz}, 100 \pi \; \mathrm{rad}$
  4. $7.5 \; \mathrm{kHz}, 100 \pi \; \mathrm{rad}$

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