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Homework Help: Formula that describes a variable magnetic field

  1. Feb 1, 2012 #1
    I am running a project that encompasses a fixed magnet interacting with a movable metal grid. The gap between the magnet and the metal grid obviously varies therefore the interactive field between these two objects will also vary in strength depending on how close or distant the metal grid is from the magnet. I am struggling to determine a generic formula that would describe the interaction. I am reading the varying field strength as micro volts using a miniature single axis fluxgate. Can anyone help please?

    2. Relevant equations

    None derived

    3. The attempt at a solution
  2. jcsd
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