AQA GCSE Physics unit 1.2 Efficiency
- Created by: revisieacocobean
- Created on: 21-05-16 10:55
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- Energy and efficiency
- Energy can be transferred but cannot be created or destroyed (principle of conservation of energy)
- Although some can be wasted (transferred into the surroundings which become warmer)
- Can be passed through a heat exchanger- so heat can be used
- Although some can be wasted (transferred into the surroundings which become warmer)
- The efficiency of a device is a measure of the amount of energy that is usefully transferred
- Energy can be transferred but cannot be created or destroyed (principle of conservation of energy)
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