A-LevelPhysicsElectricityMay/June 2021Paper 1 Q321 Mark
A wedge-shaped metal conductor of length L, varying width and uniform thickness is connected to a cell, as shown. [Figure 32.1] Which graph best shows how the average drift velocity v of electrons in the conductor varies with distance x from end X?
AGraph A showing v decreasing non-linearly with x, with decreasing magnitude of gradient
BGraph B showing v increasing non-linearly with x, with increasing magnitude of gradient
CGraph C showing v decreasing linearly with x
DGraph D showing v increasing linearly with x
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of electricity within the Physicssyllabus. The examiner's mark scheme requires...
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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...
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