Skip to content
    Combined Science GCSE

    Commutator action

    What Commutator action means in Combined Science GCSE, as defined for AQA.

    Definition of Commutator action

    Check what you remember

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

    Reference: AQA

    The split-ring commutator reverses the current in the coil every half rotation so the coil continues turning in the same direction.
    AQA · Electric motors (HT only) (study guide)

    Topics that use Commutator action

    Related terms

    Using Commutator action 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 Combined Science 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 Combined Science GCSE terms