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$+3.2 \times 10^{-19}\,\text{C}$