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    Physics A-Level

    Precession in a magnetic field

    What Precession in a magnetic field means in Physics A-Level, as defined for AQA.

    Definition of Precession in a magnetic field

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    Reference: AQA

    Protons in the strong uniform field of a superconducting magnet initially align parallel to the field and precess about the magnetic field lines.
    AQA · Magnetic resonance (MR) scanner (A-level only) (study guide)

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