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Power ratings — OCR GCSE Physics A J249

Home
Physics
OCR GCSE Physics A
Energy
Power and efficiency
Power ratings

OCR GCSE Physics A · J249

Power ratings

What you need to know

Describe the relationship between power ratings for domestic electrical appliances and changes in stored energy during use.

Revision notes

1
Power ratings
4 key terms

Practise with past papers Key terms & definitions

Previous subtopicEnergy waste in devices Next subtopicCalculating efficiency