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ECE · Q128

Communication Systems

Engineering and GATE · ECE · question 128

Q128

As the modulation index of an FM signal with sinusoidal modulation is increased from zero to three, the power in the carrier component will

A.
Increase continuously
B.
Decrease continuously
Answer
C.
First increase, attain a maximum and then decrease
D.
First deceases, become zero and then increase

Answer: Option B

Solution

Answer: Option B
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