Eddy current in a tube.
PIRA: Unknown
Eddy current in a tube.
When an iron bar drops through a copper tube, it does not take a long time. However, when a bar magnet of nearly the same size drops through a copper tube, it takes time because of the eddy current produced in the tube.
Equipment | Storage |
---|---|
Copper tube | 021-16C |
iron bar and magnet bar. |
Unfortunately, there are no media for this demo. :(
Video: A magnet and a piece of iron pass through a copper tube
Video: A steel bearing and a ball magnet roll down an aluminum brace