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Author Topic: Electricity question [Locked]
Tych2  4 stars
Title: Obama Appointed Outpost Czar
Posts: 2,511
Registered: 2005-3-1 06:56:47
sweeny_comodore posted:

i hate doing math

Shocking. Math isn't to happen with what you do to it either.

 

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Kapie
Drevid in Tanks
reesescups  4 stars
Title: //Captain America
Posts: 2,537
Registered: 2003-5-26 14:45:53
Both bulbs dissipate 20 Watts, or the same amount of power. The AC-DC circuit also dissipate a certain amount of power depending on it's efficiency.


The 12V DC circuit draws more power and dissipate more power than the 120V DC circuit, the amount of difference is dependent on the converters efficiency and it indeterminable with the data provided.

 

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GrilledCheez  4 stars
Title: The Lord's Balls
Posts: 1,060
Registered: 2006-3-22 11:06:32
So nobody here knows?

I have no idea, but I'm a decider, so IMHO is right.

 

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sweeny_comodore  4 stars
Posts: 1,216
Registered: 2007-8-23 18:47:04
Tych2 posted:

sweeny_comodore posted:

i hate doing math

Shocking. english isn't to happen with what i do to it either.

 

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Tych2  4 stars
Title: Obama Appointed Outpost Czar
Posts: 2,511
Registered: 2005-3-1 06:56:47
You got me. I was typing fast and didn't proofread it. I meant to say happy . I hate self-pwns like that.

 

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Kapie
Drevid in Tanks
Koneg  3 stars
Title: Evil Genius
Posts: 894
Registered: 2001-12-4 15:31:28
GrilledCheez posted:

So nobody here knows?

Uh, how did you get to that conclusion? The correct answer has been posted a half-dozen times already. Electricity usage is measured in Watts, not volts, not amps.


12 volts @ 20 Watts == 20 Watts of electricity used.


120 volts @ 20 Watts == 20 Watts of electricity used.


120,000 volts @ 20 Watts == 20 Watts of electricity used.


1,200,000,000,000,000,000 volts AC @ 20 Watts converted to 1,200,000,000 volts DC @ 20 Watts == 20 Watts of electricity used.


If you can't wrap your head around it, think of electricity as water. Watts == Gallons (or liters for you Euroweenies) It's not about how much pressure the water was under when it came pouring out of the kitchen faucet (volts), or how big that kitchen faucet is (allowing greater flow rate, amps), but the fact that you collected 20 gallons (Watts) of water out of it.

 

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GrilledCheez  4 stars
Title: The Lord's Balls
Posts: 1,060
Registered: 2006-3-22 11:06:32
Sorry Koneg, but you are wrong.

 

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Koneg  3 stars
Title: Evil Genius
Posts: 894
Registered: 2001-12-4 15:31:28
GrilledCheez posted:

Sorry Koneg, but you are wrong.

Well then maybe you can explain why it is that electrical companies bill you by the number of Watts you use?


Because clearly, if you were using a 1,200,000,000,000 volt circuit instead of a 120 volt circuit they'd want to charge you more, because it's using more electricity, right?


So how come they don't?


(Note: These questions are rhetorical and strictly for my amusement. I already know you can't answer them correctly)

 

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GrilledCheez  4 stars
Title: The Lord's Balls
Posts: 1,060
Registered: 2006-3-22 11:06:32
I am going to let my electricity representative, IMHO, answer the question. If it even deserves one. Are you an OP electricity expert? I don't think so. What gives you the right?

 

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Voodoo-Dahl  2 stars
Posts: 469
Registered: 2002-5-11 05:11:16
As a person who has stuck their tongue in a light-socket, I'm going with IMHO's expertise on this.

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