A-LevelPhysicsElectricity9702/12 · Oct/Nov 2010 · 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
A: Electrons in the wire are moving totally randomly within the wire.
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