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Communication Systems - Engineering

Q1:

Assertion (A): If a carrier is modulated by three sine waves and m1, m2, m3 are the modulation indices, the total modulation index mt is
mt = (m12 + m22 + m32)0.5 Reason (R): An AM, higher the level of modulation, lower is the audio power required to produce modulation.

A Both A and R are correct and R is correct explanation of A

B Both A and R are correct but R is not correct explanation of A

C A is correct but R is wrong

D A is wrong but R is correct

ANS:C - A is correct but R is wrong

No answer description is available.