O-LevelPhysicsElectricityOct/Nov 2024Paper 1 Q271 Mark

A plastic rod becomes charged when it is rubbed with a cloth. Which statement gives the reason for the charge on the rod?

Q: What topic does this question test?

This question tests Electricity in O-Level Physics (syllabus code 5054). It is worth 1 mark.

AThe plastic rod loses protons and becomes negatively charged.

BThe plastic rod loses electrons and becomes negatively charged.

CThe plastic rod gains protons and becomes positively charged.

DThe plastic rod loses electrons and becomes positively charged.

✓ Correct Answer

The correct answer is D: The plastic rod loses electrons and becomes positively charged.

📋 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 O-Level Physics Question

Topic

This multiple-choice question tests Electricity in O-Level Physics (syllabus code 5054). It is worth 1 mark.

Source

This question appeared in the Cambridge O-Level Physics Oct/Nov 2024 examination, Paper 1 Variant 2.

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