Question

The following diagram shows the core of a transformer and its input and output connections.

1. State the material used for core and describe its structure.
2. Complete the diagram of the transformer and connections by labelling all parts joined by you.
3. Name the transformer: step-up or step down?

Answer 1

1. A soft iron core is used. The core is made up from the thin laminated sheets of soft iron of T and U shape, placed alternately one above the other and insulated from each other by paint or varnish coating over them.
2. 
    
3. It is a step-down transformer.