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5 Written questions

5 Matching questions

  1. Frequency
  2. Pressure
  3. Voltage
  4. Acceleration
  5. Efficiency
  1. a force ÷ area
  2. b (useful energy output ÷ total energy input) x 100%
  3. c change in velocity ÷ time taken
  4. d current x resistance
  5. e 1 ÷ time period

5 Multiple choice questions

  1. constant, p2V2
  2. primary turns ÷ secondary turns, Np ÷ Ns
  3. mass x acceleration due to gravity
  4. height x density x g
  5. ½ x mass x speed^2

5 True/False questions

  1. Forcecurrent x time

          

  2. Densitymass ÷ volume

          

  3. Momentummass x velocity

          

  4. Gravitational Potential Energymass x gravity x height

          

  5. Input power, VpxIpoutput power, VsxIs (for 100% efficiency)

          

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