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Article #1104Re: Car Batteries die in the Winter - Why?
From: bill nelson
Date: Fri, 25 Dec 1992 23:39
Date: Fri, 25 Dec 1992 23:39
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csa09@seq1.keele.ac.uk (Paul Singleton) writes: : From article <Bz7tFD.CF6@ais.org>, by draper@ais.org (Patrick Draper): : : > In cold weather chemical processes generally proceed at a slower rate. A : > marginal battery in warm weather might not crank out enough juice to turn an : > engine over in cold weather. : : But wouldn't it warm up as soon as the starter tried to draw current (a : couple of hundred amps I believe) from it? Does cold affect its stored : energy, or just the internal impedance? Does the EMF depend on temperature? Neither, really. It affects how fast the chemical reaction can take place. The energy is still there, it just is not produced rapidly enough. Bill
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Newsgroups: alt.folklore.science Path: arc1-ca.pugleaf.net!sparky!uunet!wupost!sdd.hp.com!hp-cv!hp-pcd!hpcvaac!billn From: billn@hpcvaac.cv.hp.com (bill nelson) Subject: Re: Car Batteries die in the Winter - Why? Message-ID: <1992Dec25.233942.25898@hpcvaac.cv.hp.com> Organization: Hewlett-Packard Company, Corvallis, Oregon USA References: <BzD4pI.JE5@gabriel.keele.ac.uk> Date: Fri, 25 Dec 1992 23:39:42 GMT Lines: 15