安培力是楞次定律的实质吗?

高中物理,求帮助!
2025-03-16 03:00:17
推荐回答(2个)
回答1:

应该不是的,楞次定律可以总结为来拒去留,增缩减扩,增反减同等说法,表述的实质是产生的磁通量总是阻碍原磁通的变化,这与法拉第电磁感应定律的内容相吻合。安培力是指通电导线在磁场中受到的磁场力,用左手定则判断。楞次定律与安培力表述的不是同一个内容,所以实质不同。

回答2:

可以肯定:不是!
楞次定律:感应电流具有这样的方向,即感应电流的磁场总要阻碍引起感应电流的磁通量的变化。楞次定律还可表述为:感应电流的效果总是反抗引起感应电流的原因。
安培力:通电导线在磁场中受到的作用力。
实际上,不管是否有通电导线放在磁场中作为检验或测试,磁场都是存在的。

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