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Power and efficiency

Power and efficiency

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Question 2

An electric motor has an input power of 35 kW and a useful output power of 12 kW.

Calculate the power it wastes.

A

6 kW6\text{ kW}6 kW

B

12 kW12\text{ kW}12 kW

C

23 kW23\text{ kW}23 kW

D

35 kW35\text{ kW}35 kW

Markscheme

Power and efficiency Questions

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

37 exam-style questions on OCR GCSE Physics Power and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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