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Physics (AS & A Level) · May / June 2019 · Paper 12 · Question 2

9702SI units

What is the number of SI base units required to express electric field strength and power?

  1. Aelectric field strength: 3, power: 3
  2. Belectric field strength: 3, power: 2
  3. Celectric field strength: 4, power: 2
  4. Delectric field strength: 4, power: 3

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Correct answer: D. electric field strength: 4, power: 3

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