Date: Wed, 07 Mar 2012 08:53:06

Author: --- Jerry

Subject: Re: Need a high-current source for magnetism demos


If you're thinking about getting a battery charger with a jump start
feature, make sure you read the manual first. There may be a time limit on
its use...


At 3/7/2012 08:23 AM, you wrote:
>Howdy Tappers,
>I am wanting to do some demos illustrating current-magnetic interactions
>(F=BIL stuff), and I need a good, reliable high-current source (on the
>order of many 10s of amps). I have thought about getting a "dead" car
>battery, but I've also seen this done with some kinds of car battery
>chargers. Does anyone know of a good charger I should look into for this?
>Matt Lowry
>Lake Forest HS
>College of Lake County