Skip to content
    Physics A-Level

    Resistance ratio and potential difference

    What Resistance ratio and potential difference means in Physics A-Level, as defined for AQA.

    Definition of Resistance ratio and potential difference

    Check what you remember

    Read the wording for your board, then hide it and explain Resistance ratio and potential difference in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    The supply p.d. is shared between the components in proportion to their resistances when the current is the same.
    AQA · Potential divider (study guide)

    Topics that use Resistance ratio and potential difference

    Related terms

    Using Resistance ratio and potential difference in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Physics questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Physics A-Level terms