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Power — Circuit Energy Transfers — AQA GCSE Physics 8463
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Physics
AQA GCSE Physics
Electricity
Circuit Energy Transfers
Power
AQA GCSE Physics · 8463
Power
What you need to know
Explain how power transfer in a circuit device relates to potential difference, current, and energy changes.
Calculate power using the equations:
P
=
V
I
P = V I
P
=
V
I
P
=
I
2
R
P = I^2 R
P
Revision notes
1
Power
5 key terms
Practise with past papers
Key terms & definitions
Previous topic: Domestic Electricity and Safety
Mains electricity
Next subtopic
Energy transfers in everyday appliances
=
I
2
R
