Q. Identify the incorrect statement from the following
A) $AM$ detection is carried out using a rectifier and an envelop detector
B) Pulse Position denotes the time of rise or fall of the pulse amplitude
C) Modulation index $\mu$ is kept $\geq 1$, to avoid distortion
D) Facsimile (FAX) scans the contents of the document to create electronic signals
Explanation
(c) Modulation index $\mu$ is kept $\leq 1$ to avoid distortion
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.