Experiment Em-12
Jumping Ring
Description:
In this experiment, an aluminum ring is placed around an iron rod that is protruding
from a large inductor. When the inductor is connected to an AC power source
the ring jumps up into the air. When the ring is replaced with one that
has a small gap in it, that ring does not jump into the air.
This
is a picture of the ring as it is jumping off of the iron rod.
(Left)
The ring and inductor. (Right) Ring with gap on inductor.
This
experiment can also be conducted with cold rings. Additional equipment: gloves,
liquid nitrogen, tongs
Materials:
Inductor, iron rod, aluminum ring, aluminum ring with gap
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This page was last updated on
Friday August 15, 2008 8:37 PM
