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Physics
OCR GCSE Physics A
Electricity
Simple circuits
Applying electrical equations
OCR GCSE Physics A · J249
Applying electrical equations
What you need to know
Apply equations relating potential difference, current, charge, resistance, power, energy, and time.
Solve problems for circuits with resistors in series using the concept of equivalent resistance.
P
=
I
V
P = IV
P
=
I
V
P
=
I
2
R
P = I^2 R
P
=
I
2
R
Revision notes
1
Applying electrical equations
5 key terms
Practise with past papers
Key terms & definitions
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Power transfer
Next section: Magnetism and magnetic fields
Magnetic poles
