Communication Systems
In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then

Amplitude of distant sidebands decreases
Amplitude of distant sidebands increases
Amplitude of distant sidebands first increases, then decreases
Amplitude of distant sidebands remains constant

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation.

A is wrong but R is correct
A is correct but R is wrong
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A

ANSWER DOWNLOAD EXAMIANS APP