Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!vi.ri.cmu.edu!rwb From: rwb@vi.ri.cmu.edu (Bob Berger) Newsgroups: sci.electronics Subject: Re: Urban Myths again Summary: apparent power, utility charges Message-ID: <8830@pt.cs.cmu.edu> Date: 12 Apr 90 12:11:26 GMT References: <1209@gtx.com> <14306@lambda.UUCP> <1646@rsiatl.UUCP> Organization: Carnegie-Mellon University, CS/RI Lines: 9 In article <1646@rsiatl.UUCP>, jgd@rsiatl.UUCP (John G. De Armond) writes: > It is true that the lamp draws more AMPS but this is > wattless current due to the low power factor of the unloaded ballast. Don't dismiss this "wattless" power so quickly. It is exactly what you are charged for by the utilities meter. Although you may feel better because you are not using "real" power, I'm more concerned with the bill they send me. The rate at which the meter turns is proportional to the volt-amperes of apparent power.