Key term for AQA GCSE Physics, used in Induction and Transformers.
The ratio of useful power output to total power input.
Efficiency appears in AQA GCSE Physics revision content for Magnetism and electromagnetism, especially Induction and Transformers and Transformers.
Magnetism and electromagnetism
Induction and Transformers • Transformers
Electricity
Circuit Energy Transfers • The National Grid
Energy
Energy Resources • National and global energy resources
Energy
Conservation and Dissipation • Efficiency
Energy
Conservation and Dissipation • Energy transfers in a system
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