JEE Main 201912 Jan, Morning shiftPhysicsEasyCommunication Systems79× since 2003A 100 V carrier wave is made to vary between 160 V and 40 V by a modulating signal. What is the modulation index ?AOption A. 0.5BOption B. 0.6COption C. 0.4DOption D. 0.3CheckSkip · show solution
