Other questions in this quiz

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

  • J
  • kg
  • W
  • N

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

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

4. E = m x c x θ ... What is mass measured in?

  • J / kg °C
  • kg
  • J
  • °C

5. E = P x t ... Power measured in?

  • kW
  • W
  • kWh
  • J

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