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Efficiency — AQA GCSE Physics 8463
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Physics
AQA GCSE Physics
Energy
Conservation and Dissipation
Efficiency
AQA GCSE Physics · 8463
Efficiency
What you need to know
Calculate energy efficiency for any energy transfer using the equation:
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Revision notes
1
Efficiency
6 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Energy transfers in a system
Next topic: Energy Resources
National and global energy resources
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efficiency = \frac{useful\ output\ energy\ transfer}{total\ input\ energy\ transfer}
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Calculate efficiency using the equation:
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efficiency = \frac{useful\ power\ output}{total\ power\ input}
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Describe ways to increase the efficiency of an intended energy transfer (HT only).
