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Communication Systems

Q1: A signal m(t) amplitude modulates a carrier Ac cos ωct. The final signal will be

A [Ac m(t)] cos ωct]

B Ac . [1 + m(t)] cos ωct

C Ac + [m(t)] cos ωct

D Ac cos ωct + m(t)

ANS:B - Ac . [1 + m(t)] cos ωct

No answer description is available.



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