Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

Fig. 8.1 presents a solenoid (long coil of wire) in a circuit. Once the switch is closed, a large current flows in the circuit.

(a)[3]

Describe an experiment to identify both the pattern and the direction of the magnetic field around the solenoid. You may use Fig. 8.1 in your answer.

(b)[4]

Describe and explain what occurs when the switch is closed.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “use of plotting compass OR iron filings” …