Q. 1000 kHz carrier wave is amplitude modulated by the signal frequency 200-4000 Hz. The channel width of this case is

A) 8 kHz
B) 4 kHz
C) 7.6 kHz
D) 3.8 kHz
Explanation

(a) Band width $= 2 \times f_{m} = 8\ kHz$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.