• 2022-05-26
    长[tex=4.643x1.286]NCV8bp7si4UiLbofQGsSAw==[/tex]的直导线AB上均匀地分布着线密度[tex=9.643x1.286]v6iG1S9EMr8Wm0tgqIyJyecyTyer+7gywUL303E4nSD2SVahzB7U10km9wWwevL0[/tex]的正电荷,试求:(1)在导线的延长线上与导线B端相距[tex=4.786x1.286]eevYmLtSqpDmZOMo9qOoGRJgQmOhMfozFIU2LfbF67I=[/tex]处P点的场强;(2)在导线的垂直平分线上与导线中点相距[tex=4.786x1.286]/y5uBT4ezgN3Qc4R79p7zHyXiY8gxQuI7P0Ikj1dY2M=[/tex]处2点的场强。[img=328x212]17d8bc4eab947d9.png[/img]
  • 举一反三