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1.2 Conservation and dissipation of energy

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Question 13
H

Which statement about the energy dissipated by a machine is correct?

[1]
A

the dissipated energy is destroyed as soon as the machine is switched off

B

the dissipated energy can always be transferred back to the useful output

C

the dissipated energy is still stored, but it is stored in less useful ways

D

the dissipated energy is equal to the useful energy output of the machine

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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