Q. In an FM system a $7\ kHz$ signal modulate $108\ MHz$ carrier so that frequency deviation is $50\ kHz$. The carrier swing is
A) 7.143
B) 8
C) 0.71
D) 350
Explanation
(a) Carrier swing $= \frac{Frequency\ deviation}{Modulation\ frequency} = \frac{50}{7} = 7.143$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.