No way to measure or care about field in real world - Saab 9000 Bulletin Board - Saabnet.com
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No way to measure or care about field in real world
Posted by Lu (more from Lu) on Fri, 3 May 2002 23:27:05
In Reply to: well I suppose so, nt moore, Fri, 3 May 2002 22:37:47
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There are just current and voltage to measure which is plenty of info for someone to decide what is wrong as long as that person knows how machines work and what they should see. Since current is the driving force of the electrical world it is key but sometimes difficult or hard to measure. Voltage is cheaper to measure and tells us more of what is happening in conductors and components. What class are you teaching that covers the nonlinearity of filaments? An electronic design theory level?
Heard of a guy once troubleshooting an alternator in the backwater desert in Mexico with no voltmeter/ammeter. Used a wrench. It sucked the wrench up against the body enough to feel the magnetic pull, ergo it makes juice! He didn't need no stinking voltmeter!
Hope 91 has found his correct lamp.
posted by 12.221.12...
Posts in this Thread:
- Is this a brighter light bulb ?..., 91Aero.jr, Wed, 1 May 2002 20:06:40
- Re: Is this a brighter light bulb ?..., Quasi, Wed, 1 May 2002 22:41:24
- P=I x E, E = I x R, P= I x I x R, Lu, Wed, 1 May 2002 20:56:51
- Lu is throwing some crap in the air..., nt moore, Thu, 2 May 2002 11:18:32
- 175mADC regardless of V-I characteristic, right?, Kalpana, Fri, 3 May 2002 12:10:03
- Is this anyway for a teacher to act?..........(rant)., zeke, Fri, 3 May 2002 08:21:36
- Granted that the temp. induced impedance is nonlinear, Lu, Thu, 2 May 2002 23:57:32
- yep, nt moore, Fri, 3 May 2002 12:31:01
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