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5 Written questions

5 Matching questions

  1. Density
  2. Gravitational Potential Energy
  3. Refractive index (n)
  4. Power
  5. Energy
  1. a mass ÷ volume
  2. b work done ÷ time taken
  3. c mass x gravity x height
  4. d sini ÷ sinr
  5. e current x voltage x time

5 Multiple choice questions

  1. primary turns ÷ secondary turns, Np ÷ Ns
  2. (useful energy output ÷ total energy input) x 100%
  3. constant, p2V2
  4. constant, p2 ÷ T2
  5. change in momentum ÷ time taken

5 True/False questions

  1. Mass, KE, velocity2KE ÷ velocity^2

          

  2. Accelerationcurrent x voltage x time

          

  3. Wave speedfrequency x wavelength

          

  4. Momentmass x velocity

          

  5. Weightforce x perpendicular distance from pivot

          

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