Other questions in this quiz

2. E = P x t ... rearrange to calculate power

  • E = P ÷ t
  • P = E ÷ t
  • P = E x t
  • P = t ÷ E

3. efficiency = useful power out ÷ total power in (x 100%) ... what is power measured in?

  • W
  • N
  • J
  • kg

4. E = P x t ... Time measured in?

  • hours
  • seconds
  • minutes
  • days

5. v = f x λ ... What is wavelength (λ) measured in?

  • km
  • m
  • J
  • kg

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