Comments on: Simple Electromagnet Does Mystifying Stunt (May, 1932) http://blog.modernmechanix.com/2009/01/03/simple-electromagnet-does-mystifying-stunt/ Yesterday's tomorrow, today. Fri, 10 Feb 2012 21:07:04 +0000 hourly 1 http://wordpress.org/?v=3.1.4 By: JMyint http://blog.modernmechanix.com/2009/01/03/simple-electromagnet-does-mystifying-stunt/comment-page-1/#comment-1078543 JMyint Fri, 28 May 2010 14:01:17 +0000 http://blog.modernmechanix.com/?p=6507#comment-1078543 According to Lenz's Law "An induced electric current always flows in such a direction that it opposes the change producing it." As the aluminum tube moves though the magnetic field a current is set up and that produces a magnetic field of opposite polarity to the magnet. That causes the aluminum ring to be repulsed until pushing it up the rod. Since aluminum doesn't magnetize the magnetic field collapses whenever the ring stops moving causing it to fall regenerating the field. Lenz's Law is also in part responsible for the light bulb lighting. As a current will be generated in the coil attached to the light bulb. Induction chargers work the same way. According to Lenz’s Law “An induced electric current always flows in such a direction that it opposes the change producing it.” As the aluminum tube moves though the magnetic field a current is set up and that produces a magnetic field of opposite polarity to the magnet. That causes the aluminum ring to be repulsed until pushing it up the rod. Since aluminum doesn’t magnetize the magnetic field collapses whenever the ring stops moving causing it to fall regenerating the field.

Lenz’s Law is also in part responsible for the light bulb lighting. As a current will be generated in the coil attached to the light bulb. Induction chargers work the same way.

]]> By: mahta http://blog.modernmechanix.com/2009/01/03/simple-electromagnet-does-mystifying-stunt/comment-page-1/#comment-1078537 mahta Fri, 28 May 2010 07:46:06 +0000 http://blog.modernmechanix.com/?p=6507#comment-1078537 Hi I thank you because of your interesting weblog. I am a student of physics and I am very curious to know about why the ring is jumping , why the lamp is lightning and..... could you explian them for me compeletely? thanks a lot mahta Hi
I thank you because of your interesting weblog. I am a student of physics and I am very curious to know about why the ring is jumping , why the lamp is lightning and…..
could you explian them for me compeletely?
thanks a lot
mahta

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