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5 Written questions

5 Matching questions

  1. Energy
  2. Sin(critical angle (c))
  3. Weight
  4. Input (primary) voltage ÷ output(secondary voltage), Vp ÷ Vs
  5. Voltage
  1. a primary turns ÷ secondary turns, Np ÷ Ns
  2. b current x resistance
  3. c mass x acceleration due to gravity
  4. d 1 ÷ refractive index (n)
  5. e current x voltage x time

5 Multiple choice questions

  1. (2 x π x orbital radius) ÷ time period
  2. 2KE ÷ velocity^2
  3. ½ x mass x speed^2
  4. √(2KE ÷ velocity^2 )
  5. distance moved ÷ time taken

5 True/False questions

  1. Forcecurrent x time

          

  2. Efficiency(useful energy output ÷ total energy input) x 100%

          

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

          

  4. Work doneforce x distance moved

          

  5. Powermass x acceleration