• 2022-06-11
    如图所示,在电场强度[img=14x24]180361a2c24f5f5.png[/img]的均匀电场中,有一半径为[img=14x19]180361a2ccf88e4.png[/img]的半球面,场强[img=14x24]180361a2d5c940b.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=177x114]180361a2e115c71.png[/img]
    A: [img=54x22]180361a2e95c2df.png[/img]
    B: [img=70x26]180361a30b58058.png[/img]
    C: [img=45x22]180361a3136c918.png[/img]
    D: [img=56x43]180361a31b39fd9.png[/img]
  • 举一反三