Question

The charge on a single electron is:

Options

• 1.6 × 10⁻¹⁸ C

• 1.6 × 10⁻¹⁹ C

• 1.6 × 10⁻¹⁶ C

• none of these

Answer 1

1.6 × 10⁻¹⁹ C

Explanation:

The charge on one electron is the elementary charge:

e = 1.6 × 10⁻¹⁹ C

The other options have incorrect powers of 10.