Recent content by jt2000

  1. jt2000

    Undergrad Why does the external field from other charges in a conductor add to the disk field?

    Why is the electric field just outside a conductor twice the field produced by a uniform sheet of charge? My textbook's explanation is that you can imagine that near a point P, the charge at the surface of a conductor looks like a small uniformly charged disk centered at P, giving an electric...