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3.2.13 Applying electrical equations — OCR Physics A J249 | GradeGen.AI
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
Revision Notes
1
Applying electrical equations
19 key terms
Practise with Past Papers
Key Terms & Definitions
Previous Subtopic
Power transfer
Next Section: Magnetism and magnetic fields
Magnetic poles
=
I
2
R
