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Physics (AS & A Level) · Oct / Nov 2023 · Paper 12 · Question 30

9702Electric current

A fine mist of oil droplets is sprayed into air. As the oil droplets leave the nozzle of the spraying device they can become electrically charged. What is not a possible value for the charge on an oil droplet?

  1. Azero
  2. B1.0 × 10⁻¹⁹ C
  3. C4.8 × 10⁻¹⁹ C
  4. D8.0 × 10⁻¹⁹ C

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Correct answer: B. 1.0 × 10⁻¹⁹ C

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