Physics GCSE
Comparing appliance ratings
What Comparing appliance ratings means in Physics GCSE, as defined for OCR.
Definition of Comparing appliance ratings
Check what you remember
Read the wording for your board, then hide it and explain Comparing appliance ratings in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A 2500 W heater warms a room faster than a 1000 W heater because it transfers energy at a greater rate.
Topics that use Comparing appliance ratings
- 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 Comparing appliance ratings in the exam
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