YOKOGAWAF3XD16-3FS1

发布时间:2019-12-09
  上面讲到用右手定则来确定感应电动势方向与磁场、导体方向之间的关系,而之前我们也学过一个右手定则,叫做安倍右手定则(也叫右手螺旋定则),他们之间在理解上是有一点差别。
    此右手定则操作方法如右图所示:伸开右手,让磁力线垂直穿过掌心,使大拇指指向导体切割磁力线的运动方向,其余四指指向就表示感应电动势方向。如果电路时闭合的,它也是感应电流的方向(应注意的是,伸开右手后,大拇指应与其他四指在同一平面内,并相互垂直)。

    发电机就是根据这一原理工作的,所以以前这个右手定则又称为“发电机定则”


YOKOGAWAF3XD16-3F,S1
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