So...just to be sure on this. - Saab General Bulletin Board - Saabnet.com
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So...just to be sure on this.
Posted by Jeff Cunningham (more from Jeff Cunningham) on Tue, 12 Nov 2002 13:22:25
In Reply to: Weight, Ari [Profile/Gallery]
, Tue, 12 Nov 2002 11:52:23
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I get the current battery voltage. (Say 13.5 volts)
I can then use a voltmeter and meaure the voltage from the ground of the circuit at the chassis to the battery and subtract the two (Assume 13.5-12)
I then need to figure out how many amps the circuit is using.
(watts/volts=amps) Is this formula correct?
55w lightbulb/12v=4.5 amps.
So 1.5 volts is missing. Taking (volts/amp=ohms) would give me the total resistance of the circuit. 1.5/4.5= .3 Ohms of resistance
This is much more fun than working!
posted by 168.159.7...
http://www.twinsaabs.com
Posts in this Thread:
- Electrical question..., Jeff Cunningham, Tue, 12 Nov 2002 09:22:27
- Practical Wiring 101, Richard Miller, Wed, 13 Nov 2002 14:02:21
- One more question about alternator, Jeff Cunningham, Wed, 13 Nov 2002 10:03:58
- Weight, Ari , Tue, 12 Nov 2002 11:52:23
- Re: Electrical question..., Bob M, Tue, 12 Nov 2002 10:08:53
- Re: Electrical question..., Coolknight, Tue, 12 Nov 2002 10:07:15
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