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Q#1 Chopper GATE EE 1993 MCQ +1 mark -0.33 marks

A chopper operating at a fixed frequency is feeding an R-L load. As the duty ratio of the chopper is increased from 25% to 75%, the ripple in the load current

Remains constant

Decreases, reaches a minimum at 50% duty ratio and then increases

Increases, reaches a maximum at 50% duty ratio and then decreases

Keeps on increasing as the duty ratio is increased

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