Asked by | 4th Jan, 2009, 11:35: PM
Nichrome is a brand name for a nickel-chromium resistance wire, a non-magnetic alloy of nickel and chromium. A common alloy is 80% nickel and 20% chromium, but there are many others to accommodate various applications. It is silvery-grey in colour, is corrosion resistant, and has a high melting point of about 1400 °C. Due to its relatively high resistivity and resistance to oxidation at high temperatures, it is widely used in heating elements, such as in hair dryers, electric ovens and toasters. Typically, Nichrome is wound in wire coils to a certain electrical resistance, and current passed through to produce heat.
Other areas of usage include motorcycle silencers, and in certain microbiological lab apparatus.
You can get more information on nichrome by clicking any of the links to read more at wikipedia.
Answered by | 5th Jan, 2009, 12:12: PM
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