An electron is accelerated from rest through a potential difference of 500 V. What kinetic energy does it gain (e = 1.6 × 10⁻¹⁹ C)?

1. A Option A: 8.0 × 10⁻¹⁷ J
2. B Option B: 8.0 × 10⁻¹⁹ J
3. C Option C: 5.0 × 10² J
4. D Option D: 3.2 × 10⁻²² J

Answer checked 11 October 2026 · How we write and check questions