• 2022-07-26
    A、B是两块不带电的导体,放在一带正电导体的电场中,如图所示。设无限远处为电势零点,A的电势为UA,B的电势为UB,则:()[img=320x110]1803d3a1c33598a.jpg[/img][img=320x110]1803d3a1fa51dd3.jpg[/img]
    A: [img=101x23]1803d3a20421576.png[/img];
    B: [img=101x22]1803d3a20cec284.png[/img];
    C: [img=68x22]1803d3a216008d8.png[/img];
    D: [img=68x22]1803d3a21e35a53.png[/img]。
  • 举一反三