engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrical Machines Transformer Efficiency of a Transformer
At any power factor of the load, the efficiency of transformer will be maximum when:
1
Copper loss is equal to core loss
2
Copper loss is equal to eddy current loss
3
Copper loss is less than core loss
4
Copper loss is greater than core loss