Physics GCSE
Useful output
What Useful output means in Physics GCSE, as defined for AQA.
Definition of Useful output
Check what you remember
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Reference: AQA
Found by multiplying efficiency by total input, and it can never exceed total input for a real device.
Topics that use Useful output
- Efficiency (AQA GCSE)
Related terms
- Efficiency
- Lubrication
- Power
- Proportional reasoning
- Quantitative relationships
- Unwanted energy transfers
- Useful and wasted energy
- wasted energy
Using Useful output in the exam
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