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#36285 - 04/03/04 12:56 AM Volts and amps?
ComputerWizKid Offline

Registered: 09/20/03
Posts: 116
Loc: Connecticut, USA
I know volts/watts = Amps but how do I figure out the watts from and amp reading? A fan (12V DC Computer fan) says 0.25A how so I figure out watts? thanks
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#36286 - 04/03/04 01:00 AM Re: Volts and amps?
pauluk Offline

Registered: 08/11/01
Posts: 7693
Loc: Norfolk, England
It's actually Watts/Volts=Amps.

You can rearrange the formula to Watts = Volts x Amps, so for your fan 12V x 0.25A = 3W.

(That's for DC; it can get more complex for AC.)

#36287 - 04/03/04 04:47 AM Re: Volts and amps?
Trumpy Offline


Registered: 07/05/02
Posts: 8532
Loc: SI,New Zealand
Wizkid, if you are the specialist that your name suggests, this is Basic Ohms Law + Transposition of an Equation, easy!.
I can work these things out in my head!.
Let's face it, these days if you're not young, you're old - Red Green grin

#36288 - 04/03/04 01:28 PM Re: Volts and amps?
Bjarney Offline

Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
Er, there's this.


[This message has been edited by Bjarney (edited 04-03-2004).]


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