[vid]wervelstroom demonstraties

[ron van sommeren]

http://demoroom.physics.ncsu.edu/html/demos/163.html
http://www.vuw.ac.nz/scps-demos/Demos/Pira5K/EddyCurrentTubes/Aluminium.mp4


Something you can try yourself. Just let a Neodymium magnet slide down a metal tube or a length of angled metal and then let it slide down a plastic tube and see the difference.

 

[prop-er]

Hé! komt bekend voor !!! :wink:

http://www.modelbouwforum.nl/phpBB2/viewtopic.php?p=415355#415355

 

[ron van sommeren]

Even eigen draadje gegeven.

 

[ron van sommeren]

This will of course not work with iron, the magnet will sit up there happily for centuries It has to be non-ferrous metal.