Q. 47 A message signal given by 
amplitude – modulated with a carrier of frequency 
What is the power efficiency achieved by this modulation scheme ?
(A) 8.33%
(B) 11.11%
(C) 20%
(D) 25%
Answer: C
Explanation:
Q. 47 A message signal given by amplitude – modulated with a carrier of frequency What is the power efficiency achieved by this modulation scheme ?
(A) 8.33%
(B) 11.11%
(C) 20%
(D) 25%
Answer: C
Explanation:
