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    Physics A-Level

    Field strength and line spacing

    What Field strength and line spacing means in Physics A-Level, as defined for AQA, OCR.

    Definitions of Field strength and line spacing

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    Reference: OCR

    The spacing of lines indicates field strength: closer lines mean a stronger field, and line density decreases with distance from the centre.
    OCR · Point and spherical masses (study guide)
    Closer lines mean a stronger field, so the spacing of the lines indicates field strength.
    AQA · Gravitational field strength (A-level only) (study guide)

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