Question

1. Complete the following diagram of a transformer and name the parts labelled A and B.
2. Name the part you have drawn to complete the diagram in part (a).
3. What is the material of this part named above?
4. Is this transformer a step up or step down? Give reason.

Answer 1

1. A is the primary coil. B is the secondary coil.
    
2. We have drawn laminated core in the diagram.
3. The material of this part is soft iron.
4. This transformer a step-down transformer because the number of turns in primary coil is much greater than that in the secondary coil.