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8.3 Power and efficiency

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Question 22

The motor in a powered wheelchair transfers energy at a constant power of 300 W.

During a journey, the motor transfers 54 000 J54\,000\ \text{J}54000 J of energy.

Calculate the time taken for the motor to transfer this energy.

[2]
Markscheme

8.3 Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /8.3 Power and efficiency

128 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency, covering 8.3.1 Power and 8.3.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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