Identify the incorrect statement from the following

Options

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 `gt1`, to avoid distortion
D. Facsimile (FAX) scans the contents of the document to create electronic signals

Answer

C

Explanation

Modulation index is kept `le` 1, to avoid distortion.