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#36285 04/03/04 04:56 AM
Joined: Sep 2003
Posts: 119
C
Member
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


Theres always enough room in the junction box.You just need a bigger hammer
#36286 04/03/04 05:00 AM
Joined: Aug 2001
Posts: 7,520
P
Member
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 08:47 AM
Joined: Jul 2002
Posts: 8,423
Likes: 3
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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!. [Linked Image]

#36288 04/03/04 05:28 PM
Joined: Apr 2002
Posts: 2,527
B
Moderator
Er, there's this.

    [Linked Image from 6l6.net]




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


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