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1.2 Conservation and dissipation of energy

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Question 18
H

A motor has an efficiency of 0.80. The total energy supplied to the motor is 500 J. How much energy is dissipated by the motor?

[1]
A

100 J

B

125 J

C

400 J

D

625 J

Markscheme

1.2 Conservation and dissipation of energy Questions

  1. GCSE
  2. /Physics
  3. /1.2 Conservation and dissipation of energy

40 exam-style questions on AQA GCSE Physics 1.2 Conservation and dissipation of energy, covering 1.2.1 Energy transfers in a system and 1.2.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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