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    Combined Science GCSE

    Useful power output

    What Useful power output means in Combined Science GCSE, as defined for AQA.

    Definitions of Useful power output

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    Reference: AQA

    The power transferred usefully by a device, which is the numerator in the efficiency equation and is smaller than the total input.
    AQA · Efficiency (study guide)
    The power a device delivers usefully, which is divided by the total power input to give efficiency.
    AQA · Efficiency (study guide)

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