Skip to content

Course home

Sign up

1.2 Conservation and dissipation of energy

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536
Question 17

During a test of an electric drill, the energy transfers are recorded.

Energy transferEnergy
Total input2.4 × 103 J
Useful output to the kinetic store of the rotating bit6.0 × 102 J

Calculate the efficiency of the drill.

[2]
Markscheme

1.2 Conservation and dissipation of energy Questions

  1. GCSE
  2. /Physics
  3. /1.2 Conservation and dissipation of energy

104 exam-style questions on AQA GCSE Physics 1.2 Conservation and dissipation of energy, covering 1.2.1 Energy transfers in a system and 1.2.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank