• 2022-06-08
    如图所示,一电量为的点电荷,以匀角速度作圆周运动,圆周的半径为,设时所在点的坐标为,,以、分别表示轴和轴上的单位矢量,则圆心处点的位移电流密度为:a704ee23a50980d85648c53a491a814f.png5604c363e4b040cfea197616.pngbafaa3ba8a937156512843f8e0b1bea3.png8d2e9c26fa12d02c13ecd34609e7b5f9.pnga704ee23a50980d85648c53a491a814f.png7bbeedace624f7ab56d7c30ba001ec7b.png1fe3652778c307839fd690a0f75a48e6.png94d295fa0f079a3d3e61e7f692d742d7.pngb01cb73d0bc2575fd04abb0bc4ccb047.png55dd5688e4b01a8c031dda42.png5660626a498ed8a429443b71.png7dd6dd184694ff2e424a7f1738a8b28f.png995d0a688f6dc05e89f1c149a0a6a79e.png