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What is I2R

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haikala   02-24-2003 at 11:19:27 AM

I squre R.
It has something to do with hardware buses but I don't know excactly... so if someone could post some links I would be thankful.
I have to write a paer about it to school.

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svol   02-24-2003 at 08:04:07 PM
- 0 +

Well I think it poinst towards the physic formula for joule-heat: Q=I^2R
Where:
Q is the amount of heat produced in W
I is the amperage
R is the resistance.

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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Grub   02-25-2003 at 06:27:45 PM
- 0 +

That's pretty much it. Its the formula for electrical power, but most of the time when someone says it in that phrase " I-squared-R", they are referring to power losses in the circuit due to the resistance of the conductor. It escapes in the form of heat.

The only way France is going in is if we tell them we've discovered truffles in Iraq. -Dennis Miller

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Crashman   02-25-2003 at 11:09:45 PM
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Wow, and to think I've used volts x amps all these years to get watts consumed, and simply assumed that if no "work" gets done, it's all lost to heat!

<font color=blue>Watts mean squat if you don't have quality!</font color=blue>

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svol   02-27-2003 at 06:16:52 PM
- 0 +

Well you're correct: P=UI with U=IR. So P=IIR=I^2R

My dual-PSU PC is so powerfull that the neighbourhood dims when I turn it on :eek:

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