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1.2 Conservation and dissipation of energy

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Question 34

A ventilation fan transfers 1800 J of energy usefully to the kinetic store of moving air. The fan has an efficiency of 0.60.

Calculate the energy dissipated by the fan.

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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.

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