Useful versus wasted energy
What Useful versus wasted energy means in Physics GCSE, as defined for OCR.
Definition of Useful versus wasted energy
Check what you remember
Read the wording for your board, then hide it and explain Useful versus wasted energy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The remaining energy that is not useful output is dissipated to the surroundings, usually by heating.
Topics that use Useful versus wasted energy
- Power and efficiency (OCR GCSE)
Related terms
- Battery as chemical store versus mains a.c. supply
- Conservation of energy
- Cooling of buildings
- Efficiency
- Efficiency as a ratio and percentage
- Energy transferred
- Lubrication
- power rating
Using Useful versus wasted energy in the exam
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