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Power Ratings and Energy Changes — OCR GCSE Combined Science A J250
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Combined Science
OCR GCSE Combined Science A
Energy
Power and efficiency
Power Ratings and Energy Changes
OCR GCSE Combined Science A · J250
Power Ratings and Energy Changes
What you need to know
Describe the relationship between the power ratings of domestic electrical appliances and changes in stored energy during use.
Provide examples demonstrating how power ratings correlate with the rate of energy transfer.
Revision notes
1
Power Ratings and Energy Changes
4 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Energy Transfer in Domestic Devices
Next subtopic
Calculating Energy Efficiency
