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2.3.4 Consequences of thermal energy transfer

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Question 7

An electronic component inside a satellite generates heat. The component is mounted onto a solid metal bracket. The outer surface of this metal bracket is exposed directly to the vacuum of outer space. As the component operates, heat is transferred away from it and eventually escapes into space.

How does this thermal energy travel from the component through the metal bracket, and then from the bracket's surface into space?

A

by convection then radiation

B

by conduction then radiation

C

by radiation then conduction

D

by conduction then convection

Markscheme

2.3.4 Consequences of thermal energy transfer Questions

  1. IGCSE
  2. /Physics
  3. /2.3.4 Consequences of thermal energy transfer

62 exam-style questions on CIE IGCSE Physics 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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