Question of the Day 22-07-2019

Question of the Day
GATE 2006   EC   Question No. 75

An Amplitude Modulated signal is given as

XAMt=100pt+0.5gtcos ωct

in the interval 0t1. One set of possible values of the modulating signal and modulation index would be

(A) t,0.5
(B) t,1.0
(C) t,2.0
(D) t2 ,0.5