A-LevelPhysicsD.C. circuitsMay/June 2024Paper 1 Q301 Mark

The diagram shows a cell of negligible internal resistance connected to a switch and two resistors of resistances R and 2R. [Figure 30.1] The circuit also contains two ammeters X and Y. The reading on X is 4.0 A when the switch is open. What are the readings on X and Y after the switch is closed?

Q: What is the correct answer to this A-Level Physics question?

The correct answer is C: 6.0, 2.0.

Q: What topic does this question test?

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

A4.0, 1.3

B4.0, 2.7

C6.0, 2.0

D6.0, 4.0

✓ Correct Answer

The correct answer is C: 6.0, 2.0

📋 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 D.C. circuits in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2024 examination, Paper 1 Variant 2.

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