engineering recuitment PGCIL Junior Technician Trainee (Electrician) Mock Test 2023 Electrician and Wireman Electrical Machines Transformers
A single-phase transformer has a transformation ratio of 0.2. Find its turns ratio and voltage ratio at no-load, neglecting impedance drop.
1
5 and 0.2 respectively
2
0.2 and 5 respectively
3
5 and 5 respectively
4
0.2 and 0.2 respectively