• 2022-06-11
    如图所示,在电场强度[img=14x19]18039791b46de97.png[/img]的均匀电场中,有一半径为[img=14x19]18039791bc7f2f4.png[/img]的半球面,场强[img=14x19]18039791c451c9d.png[/img]的方向与半球面的对称轴平行,穿过此半球面的电通量为[img=328x235]18039791ce9fc5c.png[/img]
    A: [img=54x22]18039791d65fda4.png[/img]
    B: [img=70x26]18039791dd9f549.png[/img]
    C: [img=45x22]18039791e5dffc3.png[/img]
    D: [img=56x43]18039791ee2d0b6.png[/img]
  • 举一反三