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  1. H
  2. H
  4. H
    • H  =   I / (2·π·r)
  1. I
  2. I
  4. I
    • I  =   2·π·H·r
  1. r
  2. r
  4. r
    • r  =   I / (2·π·H)
Field of magnetic excitation created by a rectilinear current: Intensity, distance, field

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