JAMB Physics 1990 Question 47

What precaution should a manufacturer take to ensure that energy loss in a transformer is minimized?

1. A.The winding of the transformer should be made of high resistance wires
2. B.The core should be made of thin sheets of metal
3. C.No magnetic material should be used to make the core
4. D.The flux linking the primary with the secondary coils should be minimum.