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Communication Systems - Engineering

Q1:

c(t) and m(t) are used to generate an AM signal. The modulation index of the generated AM signal is 0.5 then the quantity
is

A 1/2

B 1/4

C 1/3

D 1/8

ANS:D - 1/8

(Pc*u^2/2)/Pc.
U=1/2,
(1/2)^2 ÷2.