Path: 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

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.