Skip to content
    Physics GCSE

    magnetic flux density

    What magnetic flux density means in Physics GCSE, as defined for AQA, OCR.

    Definitions of magnetic flux density

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

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

    Reference: OCR

    B in the equation, measured in tesla (T), and found by dividing the force by the product of current and length.
    OCR · Uses of magnetism (study guide)
    How strong the magnet's field is, one of the three things the size of the force depends on.
    AQA · Fleming's left-hand rule (HT only) (study guide)
    A measure of the strength of a magnetic field, measured in Tesla (T).
    AQA · Scalar and vector quantities (study guide)

    Topics that use magnetic flux density

    Related terms

    Using magnetic flux density 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 GCSE terms