engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Electrical Machines Transformer Transformer Working Principle
Which of the following function is not performed by a transformer?
1
Transfers electric energy from one circuit to another
2
Transfers electric energy with a change of frequency
3
Transfers electric energy by electromagnetic induction
4
Transfers electric energy where the two electric circuits are in mutual inductive influence of each other.