1.

An amplitude modulates signal is given byv(t) = 10[1 + 0.3 cos (22 × 104 t)] sin (5.5 × 105 t)Here, t is in seconds. The sideband frequencies (in kHz) are (Take, \(\pi = \frac{{22}}{7}\))

A. 892.5 and 857.5
B. 89.25 and 85.75
C. 178.5 and 171.5
D. 1785 and 1715
Answer» C. 178.5 and 171.5


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