O-LevelPhysicsMagnetismOct/Nov 2024Paper 1 Q331 Mark
A magnet moves through a coil of wire as shown. [Figure] Magnetic poles are produced at the two ends of the coil as the magnet enters and as the magnet leaves the coil. Which pole is induced at P when the magnet enters the coil and which pole is induced at Q when the magnet leaves the coil? [Table: pole at P when magnet enters the coil, pole at Q when magnet leaves the coil]
ARow A: N, N
BRow B: N, S
CRow C: S, N
DRow D: S, S
✓ Correct Answer
The correct answer is A: Row A: N, N
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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