Physics 9702 · AS & A Level · Electric current

Electric current — practice question

At what time does $1\,\text{C}$ of charge pass a point in an electrical circuit?

  • Awhen $1\,\text{A}$ moves through a potential difference of $1\,\text{V}$
  • Bwhen a power of $1\,\text{W}$ is used for $1\,\text{s}$
  • Cwhen the current is $5\,\text{mA}$ for $200\,\text{s}$
  • Dwhen the current is $10\,\text{A}$ for $10\,\text{s}$

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