engineering recuitment GATE EE 2023-24 Test Series Power Electronics and Drives Choppers Step Down Choppers
Chopper operating at affixed frequency is feeding on R – L load. As the duty ratio of the chopper increased from 25% to 75%, the ripple in the load current
1
Remain constant
2
Decreases, reaches a minimum at 50% duty ratio and then increases
3
Increases, reaches a maximum at 50% duty ratio and then decreases
4
Keeps on increasing as the duty ratio increase