Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

A source with electromotive force (e.m.f.) $12\,\text{V}$ is connected across a $3\,\Omega$ resistor. Which ammeter would be the most appropriate for measuring the current in the resistor?

  • Aan ammeter with a range $0$-$0.5\,\text{A}$
  • Ban ammeter with a range $0$-$1\,\text{A}$
  • Can ammeter with a range $0$-$5\,\text{A}$
  • Dan ammeter with a range $0$-$50\,\text{A}$

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