2006-06-07 01:10:51 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics
A ring magnet is a magnet that is shaped like a ring. Visit this webpage to learn more about magnets. http://www.coolmagnetman.com/magtypes.htm
2006-06-07 01:13:36 · answer #1 · answered by organicchem 5 · 0⤊ 0⤋
A ring magnet is a ring, usually of ferrite, which is either permanently magnetised or whose magnetic field can be changed by current running through wires threaded through it.
Small ring magnets were used in early electronic storage devices as RAM.
http://en.wikipedia.org/wiki/Core_memory
Other uses are as cores for small transformers.
More about magnets in general: http://my.execpc.com/~rhoadley/magtypes.htm
2006-06-07 01:15:40 · answer #2 · answered by Owlwings 7 · 0⤊ 0⤋
search on google..
2006-06-07 01:12:23 · answer #3 · answered by Anry 7 · 0⤊ 0⤋
am i the first to answer this
2006-06-07 01:18:18 · answer #4 · answered by uthmanadeola 2 · 0⤊ 0⤋