Skip to content
    Physics A-Level

    Power supply rails and saturation

    What Power supply rails and saturation means in Physics A-Level, as defined for AQA.

    Definition of Power supply rails and saturation

    Check what you remember

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

    Reference: AQA

    The power supply connections provide the positive and negative rails that limit the output voltage.
    AQA · The ideal operational amplifier (A-level only) (study guide)

    Topics that use Power supply rails and saturation

    Related terms

    Using Power supply rails and saturation 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