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    Physics A-Level

    Relationship between current and drift velocity

    What Relationship between current and drift velocity means in Physics A-Level, as defined for OCR.

    Definition of Relationship between current and drift velocity

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    Reference: OCR

    The current is I = nAvq, where n is the number density of charge carriers, A is the cross-sectional area, v is the mean drift velocity and q is the charge on each carrier.
    OCR · Mean drift velocity (study guide)

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