Which equation links potential difference, current and resistance?
V=I+RV = I + RV=I+R
V=IRV = IRV=IR
V=I2RV = I^2RV=I2R
When the potential difference is large enough.
Flashcards for Edexcel GCSE Physics Resistance and circuit components, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 23 cards, matched to the Edexcel GCSE Physics (1PH0) specification. Recall questions account for roughly 40% of marks at GCSE Physics, so these target the marks you can secure before the paper starts.