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WHAT IS THE GOVERNING EQUATION FOR FIELD STRENGTH RELATIVE TO DISTANCE?

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    WHAT IS THE GOVERNING EQUATION FOR FIELD STRENGTH RELATIVE TO DISTANCE?

    Update Time:2018-12-04

    For a circular magnet with a radiusof R and Length L, the field at the centerline of the magnet a distance X fromthe surface can be calculated by the following formula (where Br is theResidual Induction of the material):