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3.2 Dissipation and efficiency

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Question 35

A powered potter's wheel receives 24 kJ of electrical energy during a task. The efficiency of the wheel is 0.85.

Calculate the energy dissipated to thermal stores during the task.

[2]
Markscheme

3.2 Dissipation and efficiency Questions

  1. GCSE
  2. /Physics
  3. /3.2 Dissipation and efficiency

100 exam-style questions on Edexcel GCSE Physics 3.2 Dissipation and efficiency, covering 3.2.1 Dissipation of energy, 3.2.2 Reducing unwanted energy transfers, 3.2.3 Efficiency, and 3.2.4 Increasing efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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