• 2022-06-06
    如图所示,一半径为R的半球面放在均匀磁场中,通过半球面的磁通量为[img=245x218]1803969524bc974.jpg[/img]
    A: [img=75x37]18039695317e4ce.jpg[/img]
    B: [img=114x33]180396953b49f01.jpg[/img]
    C: [img=127x38]180396955ce25c6.jpg[/img]
    D: [img=61x33]1803969566501e1.jpg[/img]
  • 举一反三