Question

Is each layer of transformer core coated or seperated with a paper??​

Answer 1

Answer:

silicon steel

The core of a transformer is made up of silicon steel. This iron core has the ability to carry magnetic flux. The property of carrying flux is called permeability of that magnetic material. Modern steels materials, used for core design, have permeability in the order of 1500 compare with 1.0 for air.

Answer 2

Answer:

Lacquer. It prevents the laminations from vibrating (making noise and wasting power as mechanical energy).