Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

(a)[2]

Calculate the number of turns on the transformer’s secondary coil.

(b)[3]

Draw a labelled diagram of a step-down transformer. On the labels, give a suitable material for each component.

(c)[3]

Explain how a transformer works.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Ns is 24 000” …