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3.2 Dissipation and efficiency

3.2 Dissipation and efficiency

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Question 2

A prototype wave-energy converter converts 12.5% of the incident wave energy it receives into useful electrical energy.

Calculate the total wave energy, in megajoules (MJ\text{MJ}MJ), that must be incident on the converter to generate 4.5 MJ4.5\text{ MJ}4.5 MJ of useful electrical energy.

[2]
Markscheme

3.2 Dissipation and efficiency Questions

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

38 exam-style questions on Edexcel GCSE Physics 3.2 Dissipation and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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