Question

the core of a transformer is laminated why​

Answer 1

The core of a transformer is laminated to reduce the eddy currents .

Eddy currents are circulating currents that are produced inside a solid material when it is placed in a magnetic field .

Eddy currents causes unnecessary heating and energy losses .

Answer 2

Hii mate!!

Here's your answer.

Laminated core is used to prevent energy loss .

This energy loss is due to formation of eddy currents in iron core.

Hope it helps you.