If a carrier wave of amplitude `20mV` is modulated by an audio signal of amplitude `4mV`, then amplitude of `LSF` or `USF` is given by

Options

A. `0.2 mV`
B. `0.5 mV`
C. `1 mV`
D. `2 mV`

Answer

D

Explanation

Amplitude of
`L.S.B=U.S.B=mu(A_(c))/(2)=(A_(m))/(A_(c))*(A_(c))/(2)=(A_(m))/(2)`