Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

Fig. 8.1 illustrates the layout used to transmit electricity produced by a power station.

(a)[3]

Calculate the number of turns on the secondary coil of the step-up transformer, using the details shown in Fig. 8.1.

(b)[2]

State two advantages of using high voltages to transmit electricity.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “7200 turns” …