电磁感应产生感应电流的方向?
电磁感应产生感应电流的方向?
如题
如题
物理人气:673 ℃时间:2019-12-05 11:09:31
优质解答
伸出左手,让大拇指与其他四指垂直,让磁感线垂直穿过手掌,大拇指指向导线运动方向,四指所指的方向是导线中感应电流的方向.
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