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Physics (AS & A Level) · May / June 2026 · Paper 14 · Question 33

9702Electric current

A beam of electrons strikes a screen. The current at the screen is 0.200 µA. How many electrons strike the screen in a time of 5.00 s?

  1. A1.25 × 10¹²
  2. B6.25 × 10¹²
  3. C1.25 × 10¹⁵
  4. D6.25 × 10¹⁵

As printed in the paper

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Correct answer: B. 6.25 × 10¹²

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