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Does this device give a magnetic field?

  1. Sep 24, 2015 #1
    Hello,

    It's a theoretical question. I take 2 electrostatic particules fixed in a circle. I turn the circle. Is there a magnetic field ? I suppose the angular velocity very high and I suppose the particules are fixed in the circle. The diameter of the circle is very small. I don't want the electromagnetic wave but the magnetic field at low frequency : magnetostatics.

    case1/
    http://imageshack.com/a/img537/2970/jIKEwq.png [Broken]

    case2/
    http://imageshack.com/a/img540/3374/ldkDxd.png [Broken]

    Regards
     
    Last edited by a moderator: May 7, 2017
  2. jcsd
  3. Sep 24, 2015 #2

    Dale

    Staff: Mentor

    Look at the Lienard Wiechert potentials. What do they say?

    https://en.m.wikipedia.org/wiki/Liénard–Wiechert_potential
     
  4. Sep 24, 2015 #3
    It's only for one particle ? And I'm looking for the magnetic field at low frequency not the electromagnetic wave.
     
    Last edited: Sep 24, 2015
  5. Sep 24, 2015 #4

    Dale

    Staff: Mentor

    Maxwells equations are linear. Just use superposition.
     
  6. Sep 24, 2015 #5
    Sorry, but I don't undertand how to use your link to find the magnetostatic field, could you explain please ?
     
  7. Sep 24, 2015 #6

    Dale

    Staff: Mentor

    Calculate the field due to each charge, as described in the link. Then just add them together to get the total field.
     
  8. Sep 25, 2015 #7
    Ok, and to have the magnetostatic field ?
     
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