engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrical Machines Transformer Auto Transformer
When a two- winding transformer is converted into an autotransformer, the kVA rating of the resultant autotransformer:
1
Remain same
2
Decreases to half of the original rating
3
Increases
4
Decreases to ¾ of the original rating