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    The ratio between the total lumens received on the working plane and the total lumens emitted by the lightsource is the-
    Question

    The ratio between the total lumens received on the working plane and the total lumens emitted by the lightsource is the-

    A.

    Power factor

    B.

    Utilization factor

    C.

    Dissipation factor

    D.

    Load factor

    E.

    Waste light factor

    Correct option is B

    Utilization factor: This is defined as the ratio of the total lumens received on the working plane to the total lumens emitted by the light source.

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