a) In this question you will be assessed on using good English, organising information clearly and using specialist terms where appropriate. There are two types of traditional transformer; step-up and step-down.

The diagram shows the basic structure of a transformer.

In this question you will be assessed on using good English, organising information clearly and using specialist terms where appropriate. The diagrams show a relay switch and how it is used in a car ignition circuit.

The diagram shows the equipment used by a student to investigate the strength of five different electromagnets.