engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrical Machines Transformer Transformer Construction
Which of the following is NOT true for the Core type transformer?
1
Coils used are multilayer disc type or sandwich type
2
It has a single magnetic circuit.
3
Coils are wound in helical layers with different layers, insulated from each other on two limbs.
4
A core is rectangular in the shape of a uniform cross-section. It consists of two vertical limbs and the horizontal yokes connecting two limbs.