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8.3 Power and efficiency

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Question 23

A dehumidifier operates for 80 s. During this time, it transfers $J24\,000\ \text{J}$ of energy.

Calculate the operating power for this 80 s interval.

[2]

Markscheme

8.3 Power and efficiency Questions

GCSE
Physics
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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