Skip to content
Toggle Sidebar
Pricing
Home
Subjects
Past Papers
Key Terms
My Courses
Select your courses
3.2.4 Ohm's law relationship — OCR Physics A J249 | GradeGen.AI
Physics A
Electricity
Simple circuits
Ohm's law relationship
Ohm's law relationship
OCR GCSE Physics A (J249) — Electricity
What You Need to Know
Recall and apply the relationship between current, resistance, and potential difference.
Understand that for some resistors
R
R
R
is constant, while for others it changes with current.
V
=
I
R
V = I R
V
=
I
R
Revision Notes
1
Ohm's law relationship
12 key terms
Practise with Past Papers
Key Terms & Definitions
Previous Subtopic
Current, resistance, potential difference
Next Subtopic
Resistance variation
