Physics 9702 · AS & A Level · Electric current

Electric current — practice question

If a wire carries no current, 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.

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