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Physics · May / June 2021 · Paper 11 · Question 29

5054Electrical charge

The diagram shows an electrostatic precipitator. It can be used to remove dust from air. What happens at the negative grid?

  1. ADust particles gain electrons.
  2. BDust particles gain protons.
  3. CDust particles lose electrons.
  4. DDust particles lose protons.

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Correct answer: A. Dust particles gain electrons.

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