A-LevelPhysicsElectricityMay/June 2015Paper 1 Q331 Mark

Which statement is not valid?

Q: What topic does this question test?

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

ACurrent is the speed of the charged particles that carry it.

BElectromotive force (e.m.f.) is the energy converted to electrical energy from other forms per unit charge.

CThe potential difference (p.d.) between two points is the work done per unit charge when moving charge from one point to the other.

DThe resistance between two points is the p.d. between the two points per unit current.

✓ Correct Answer

The correct answer is A: Current is the speed of the charged particles that carry it.

📋 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 May/June 2015 examination, Paper 1 Variant 2.

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