Difference between revisions of "Electric current"
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Revision as of 07:03, 24 July 2013
Description
A measure of the electric charge passing through a metal wire. Electric current is usually given in the units of amperes. One ampere is the flow of one coulomb of electric charge per second. High frequency electric currents has been used to kill wood-boring insects on non-metal containing objects. Low frequency electric currents (2000-3000 volts, 0.5 milliamps) has been used to keep birds from roosting on monuments.
Authority
- G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991
- Encyclopedia Britannica, http://www.britannica.com Comment: "electric current" [Accessed April 9, 2002
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998