Exam Focus

🎯 Exam Focus

Frequently Examined

Magnetic fields are tested across a range of question types. Examined in Edexcel 1PH0/2 (Paper 2). Edexcel questions often use context-based scenarios — loudspeaker design, door locks, scrapyard cranes — so be ready to apply electromagnet principles to unfamiliar situations.

• Draw field lines (2 marks): Must include arrows (N to S outside magnet), show lines closer at poles, show repulsion/attraction pattern for two magnets.
• Electromagnet strength (2-3 marks): Three ways: more current, more turns, iron core. Explain why iron core works better than steel core.
• Permanent vs induced magnet (2 marks): Induced magnets are ALWAYS attracted, never repelled. They lose magnetism when removed from field.
• Uses of electromagnets (2 marks): Any named use with explanation of why the switchable/controllable nature is an advantage.
• "Suggest" questions: Edexcel 1PH0/2 may describe a novel electromagnetic device and ask you to suggest how its strength or direction could be changed — apply the three factors to the new context.