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Old 11-20-2006, 07:53 PM   #109
adaycj
Gnarly Adventurer
 
Joined: Aug 2003
Oddometer: 457
I'll likely get slammed by some EE that shows me some fundamental thing that I am missing here, but I have noted some things in my electrical life that may be of interest here.

OHMS law is great and all but it seems to have one "flaw" that I have uncovered in automotive applications. Now first let me say that I do not dispute the laws of physics, or electricity. My observation is simply this. 12v = 1ohm * 12 amps. Use an ohm meter on the bench and I see 1 ohm. Hook up the circuit and I measure 10 amps with an inline amp meter. I go back thinking I have a power supply voltage problem. Nope, total voltage drop is 12v. What happened?

The bulb got hot. Resistance changed when the bulb was 600 degrees f or what ever temp it turned out to be. Any chance the unexpected results some have gotten are related to this behavior?
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