An AM transmitter has an antenna current changing from 5 A un modulated to 5.8 A. What is the percentage of modulation?
A. 38.8%
B. 83.14%
C. 46.8%
D. 25.2%
Answer:B
An AM transmitter has an antenna current changing from 5 A un modulated to 5.8 A. What is the percentage of modulation?
A. 38.8% B. 83.14% C. 46.8% D. 25.2%
Explanation: Modulation index m is given by