Physics 9702 · AS & A Level · Electric current

Electric current — practice question

An electric current is produced by charge carriers that are moving. Which charge is impossible for a charge carrier to have?

  • A$-4.8 \times 10^{-19}\,\text{C}$
  • B$-2.4 \times 10^{-19}\,\text{C}$
  • C$+1.6 \times 10^{-19}\,\text{C}$
  • D$+3.2 \times 10^{-19}\,\text{C}$

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