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Q.

A message signal of frequency ωm is superposed on a carrier wave of frequency ωC to get an amplitude modulated wave (AM). The frequency of the AM wave will be

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a

ωm

b

ωC+ωm2

c

ωC

d

ωC−ωm2

answer is B.

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Detailed Solution

On mathematical treatment for modulation we will get the resultant modulated wave frequency same as carrier wave frequency.

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