A-LevelPhysicsElectricityFeb/Mar 2022Paper 1 Q291 Mark
For a current-carrying wire, the current can be calculated using the equation shown. I = Anvq What is the meaning of n?
Athe number of charge carriers in the wire
Bthe number of charge carriers multiplied by the volume of the wire
Cthe number of charge carriers per unit length of the wire
Dthe number of charge carriers per unit volume of the wire
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of electricity within the Physicssyllabus. The examiner's mark scheme requires...
📋 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...
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