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Energy waste in devices — OCR GCSE Physics A J249
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Physics
OCR GCSE Physics A
Energy
Power and efficiency
Energy waste in devices
OCR GCSE Physics A · J249
Energy waste in devices
What you need to know
Describe how energy is transferred from batteries or mains a.c. in domestic devices.
Explain how energy may be wasted during transfer to and within motors and heating devices.
Revision notes
1
Energy waste in devices
6 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Energy dissipation
Next subtopic
Power ratings
