Voir la source de Oersted's effect

__NOTOC__
Back to [[5H - Magnetic fields and forces]]<br>
PIRA index: 5H10.20

==Description==
A current passing through a wire creates a magnetic field around it.

==Equipment==
* Short wire
* Compass
* DC Power supply (10 A) 
* Push button with 1 Ohm resistances. 

==Instructions==
* Plug the power supply to the wire through the push buttons with the 1 Ohm resistance
* Place the compass above or below the wire
* Push the button for a few seconds and watch the needle move

==Keywords==

==Images & Movies==
{{#widget:YouTube|id=aAJp3xvLdXE}}