Physics 5054 · O Level · Electromotive force and potential difference

Electromotive force and potential difference — practice question

A battery with electromotive force (e.m.f.) $10\,\text{V}$ is connected to a resistor. A charge of $2.0\,\text{C}$ travels through the resistor. How much work is done as the charge moves through the resistor?

  • A$0.20\,\text{J}$
  • B$2.0\,\text{J}$
  • C$5.0\,\text{J}$
  • D$20\,\text{J}$

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