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    Physics A-Level

    Spherical symmetry and equivalent point charge

    What Spherical symmetry and equivalent point charge means in Physics A-Level, as defined for AQA.

    Definition of Spherical symmetry and equivalent point charge

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    Reference: AQA

    For a uniformly charged sphere, charge may be considered to be at the centre, so it can be treated as a point charge for external points.
    AQA · Coulomb's law (A-level only) (study guide)

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