What is the correct statement about FM modulation index?
A. increases with both modulation frequency and deviation
B. decreases with modulation frequency and increases with deviation
C. it increase with modulation frequency and decreases with deviation
D. it is equal to twice the deviation
Answer:B
What is the correct statement about FM modulation index?
A. increases with both modulation frequency and deviation B. decreases with modulation frequency and increases with deviation C. it increase with modulation frequency and decreases with deviation D. it is equal to twice the deviation