Combined Science GCSE
Useful energy and dissipation
What Useful energy and dissipation means in Combined Science GCSE, as defined for AQA.
Definition of Useful energy and dissipation
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Reference: AQA
Useful energy transfer is energy delivered to the intended store, while dissipated energy spreads into less useful stores, often warming the surroundings by heating, and cannot easily be recovered.
Topics that use Useful energy and dissipation
- Energy transfers in a system (AQA GCSE)
Related terms
- Closed system
- Conservation of energy
- Dissipation of energy
- Effect of wall thickness on energy transfer
- Energy stores and pathways
- Energy transfer by conduction
- Thermal conductivity
- Thermal conductivity of materials
Using Useful energy and dissipation in the exam
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