engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Electrician and Wireman Electrical Machines Transformers
The condition for maximum efficiency in transformer is
1
Copper loss = 0
2
Core loss = 0
3
Copper loss = 1/2 Core loss
4
Copper loss = 2 × Core loss
5
Copper loss = Core loss