A-LevelPhysicsElectricityOct/Nov 2010Paper 1 Q311 Mark
When there is no current in a wire, which statement about the conduction electrons in that wire is correct?
AElectrons in the wire are moving totally randomly within the wire.
BEqual numbers of electrons move at the same speed, but in opposite directions, along the wire.
CNo current is flowing therefore the electrons in the wire are stationary.
DNo current is flowing therefore the electrons in the wire are vibrating around a fixed point.
✓ 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...
📋 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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