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Re: Re: Re: 12 Volt coil got hot and blew up
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Posted by txblu on April 29, 2004 at 06:11:22 from (199.46.199.231):
In Reply to: Re: Re: 12 Volt coil got hot and blew up posted by RAB on April 28, 2004 at 11:29:54:
Il = V applied x e(exp -rt/l) if res in ckt otherwise Vdt/l = di if pure inductance fed from a voltage source is the way I learned it, as I recall. Ok, so you have about 6 ohms in the ckt, I'll give you the exponential rise. Dwell is what came to mind in attempting to remember the ratio of closed to open in ignition points. I pitched that out there because I figured every body has heard of dwell and it had to do with open closed ratio. I was only interested in the understanding that the current is intermittent when engine is running so it is less than the static value. As I said before, if you don't research your subject before you blow your mouth on this forum you'll get whacked. So I got whacked cause I was too lazy to look it up. But there is, as most always, knowledge to be gained from this exchange by the casual observer. But this is a hobby for me. I have to work at work. Besides I was pointing the reader in the right direction. So don't be too hard on me. (Grin) Thanks, Mark
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