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  1. GCSE
  3. Physics OCR
  5. 3.2.4 Ohm's law

3.2.4 Ohm's law

Spec J249

Revise OCR GCSE Physics 3.2.4 Ohm's law with the question bank and revision guides.

recall and apply the relationship between I, R and V, and that for some resistors the value of R remains constant but that in others it can change as the current changes; Practical (PAG P6 Circuit components): investigate the resistance of a wire, including the effect of its length.

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