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    Physics GCSE

    step-down transformer

    What step-down transformer means in Physics GCSE, as defined for AQA, OCR.

    Definitions of step-down transformer

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    Reference: AQA

    A transformer that has fewer turns on the secondary coil than the primary and is used to decrease the potential difference to a much lower, safe value for domestic use.
    AQA · The National Grid (study guide)
    A transformer that decreases the potential difference because it has fewer turns on the secondary coil than on the primary coil.
    OCR · Powering Earth (study guide)
    A transformer that reduces the voltage to a lower, safer value suitable for domestic use near each locality.
    OCR · Powering Earth (study guide)
    A transformer with fewer secondary turns, so the secondary voltage is smaller than the primary voltage.
    OCR · Uses of magnetism (study guide)

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