• 2022-05-27
    将通有电流的导线弯成如图[tex=3.0x1.357]+fjI+Z63PYL2Cwkzc82ogg==[/tex]所示的形状,求[tex=0.786x1.0]5SeCOJOzMwSNbX8MGx2Qsg==[/tex]点处的磁感应强度[tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]。[img=516x242]179c804e649472e.png[/img]
  • 举一反三