Locating the Boundary of a Magnetic Field

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Scientific Paper
Title Locating the Boundary of a Magnetic Field
Author(s) Richard M Collier
Keywords {{{keywords}}}
Published 2001
Journal Galilean Electrodynamics
Volume 12
Number 5
Pages 97-99

Abstract

To ascertain the reach of a magnetic field, equations were found for energy density in the field, a spatial accounting of its internal energy was made, and used to estimate the radius of an outer boundary for the field. If the Biot-Savart law is valid, the test field considered herein, can reach no further than about 70 (cm) from the current section which raised it, regardless of current magnitude.