A-LevelPhysicsElectric fieldsMay/June 2021Paper 1 Q301 Mark

A positively charged particle P is in an electric field, as shown. [Figure 30.1] The field lines (lines of force) are evenly spaced and parallel. Which statement is correct?

Q: What topic does this question test?

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

AMoving P a small distance in any direction will not change the electric force on P.

BMoving P a small distance in direction Y will increase the electric force on P.

CMoving P a small distance in direction Z will increase the electric force on P.

DMoving P a small distance in direction X will increase the electric force on P.

✓ Correct Answer

The correct answer is A: Moving P a small distance in any direction will not change the electric force on P.

📋 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 Electric fields in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2021 examination, Paper 1 Variant 2.

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