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Physics A
Electricity
Simple circuits
Applying electrical equations
Applying electrical equations
OCR GCSE Physics A (J249) — Electricity
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
19 key terms
Practise with Past Papers
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Magnetic poles