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1.2 Conservation and dissipation of energy

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Question 9
F

Figure shows the energy transferred out of a house each second in winter.

Figure: The energy transferred out of a house each second through different parts of the house

image

a.

Determine the total energy transferred out of the house each second. Use Figure.

[1]
b.

Give the part of the house through which the greatest amount of energy is transferred each second. Use Figure.

[1]
c.

The owner puts thick loft insulation into the roof space. Explain why this reduces the energy transferred through the roof each second.

[2]
d.

Give one other change the owner could make to reduce the energy transferred out of the house.

[1]
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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