Physics GCSE
Ratio and percentage calculation
What Ratio and percentage calculation means in Physics GCSE, as defined for OCR.
Definition of Ratio and percentage calculation
Check what you remember
Read the wording for your board, then hide it and explain Ratio and percentage calculation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The division gives a number with no unit; multiply by 100 to express it as a percentage.
Topics that use Ratio and percentage calculation
- 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 Ratio and percentage calculation in the exam
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