A-LevelPhysicsElectricityOct/Nov 2022Paper 1 Q331 Mark

The potential difference (p.d.) across a filament lamp is increased. Which statement is correct?

Q: What topic does this question test?

This question tests Electricity in A-Level Physics (syllabus code 9702). It is worth 1 mark.

AThe resistance of the lamp decreases because the temperature decreases.

BThe resistance of the lamp decreases because the temperature increases.

CThe resistance of the lamp increases because the temperature decreases.

DThe resistance of the lamp increases because the temperature increases.

✓ Correct Answer

The correct answer is D: The resistance of the lamp increases because the temperature increases.

📋 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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About This A-Level Physics Question

Topic

This multiple-choice question tests Electricity in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics Oct/Nov 2022 examination, Paper 1 Variant 2.

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