engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrical Machines Transformer
In a 400 / 230 V single-phase 50 Hz transformer, the primary winding is connected to 400 V. Then the value of (EMF per turn in the primary winding) / (EMF per turn in the secondary winding) is:
1
0
2
1.73
3
1
4
0.5