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3.2.5 Resistance variation — OCR Physics A J249 | GradeGen.AI
Physics A
Electricity
Simple circuits
Resistance variation
Resistance variation
OCR GCSE Physics A (J249) — Electricity
What You Need to Know
Explain that resistance is constant for some resistors but changes as current changes for others.
Revision Notes
1
Resistance variation
8 key terms
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Ohm's law relationship
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Circuit design for resistance effects
