Physics A-Level
Dissipation and efficiency
What Dissipation and efficiency means in Physics A-Level, as defined for OCR.
Definition of Dissipation and efficiency
Check what you remember
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Reference: OCR
In real transfers, some energy is often dissipated to the surroundings as thermal energy, but the total remains constant.
Topics that use Dissipation and efficiency
- Work and conservation of energy (OCR A-Level)
Related terms
- Conservation of energy
- Energy stores and forms
- Resolution of forces
- The joule
- Energy transfer pathways
- Scalar nature of work
- Sign and direction in energy calculations
- Work as a transfer of energy
Using Dissipation and efficiency in the exam
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