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Article #8860Re: 116% Efficiency!!??
From: Michael A. Covington
Date: Mon, 10 Dec 1990 22:26
Date: Mon, 10 Dec 1990 22:26
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In article <2533@mentor.cc.purdue.edu> lairdkb@mentor.cc.purdue.edu (Kyler Laird) writes: >I apparently don't know enough about Plasma Cutters - Sears sells some >units that operate on 19 amps, yet produce 22 amps. > >Wow! Once ya get one started can it be connected to itself and used to power >a light bulb with the excess? > I presume those amps are at different voltages. A transformer (or any of several other devices) lets you trade volts for amps. You could put in 120 V at 1 A and get out 1 V at 120 A if the transformer were perfectly efficient. Total rate of energy consumption is measured in Watts = Volts x Amps.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!emory!athena.cs.uga.edu!mcovingt From: mcovingt@athena.cs.uga.edu ( Michael A. Covington) Newsgroups: sci.electronics Subject: Re: 116% Efficiency!!?? Message-ID: <1990Dec10.222602.16653@athena.cs.uga.edu> Date: 10 Dec 90 22:26:02 GMT References: <2533@mentor.cc.purdue.edu> Organization: University of Georgia, Athens Lines: 13