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Physics (AS & A Level) · Oct / Nov 2023 · Paper 11 · Question 30

9702Electric current

The current I in a conductor is given by the equation shown. I = Anvq What does the letter n represent in this equation?

  1. Acharge carried per charge carrier
  2. Bnumber of charge carriers per unit area
  3. Cnumber of charge carriers per unit volume
  4. Dtotal mass of charge carriers per unit volume

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Correct answer: C. number of charge carriers per unit volume

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