Physics GCSE
Useful energy output
What Useful energy output means in Physics GCSE, as defined for OCR.
Definition of Useful energy output
Check what you remember
Read the wording for your board, then hide it and explain Useful energy output in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The energy delivered by a transfer that is wanted, selected before dividing by the total energy input.
Topics that use Useful energy output
- 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 energy output in the exam
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