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  #1  
Old 04-12-2003, 09:56 AM
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Join Date: Feb 2003
Location: San Diego, CA
Posts: 60
Need Help On Resistor

Hello,

I have this resistor in the wire, but does not know much about resistor and function. If 12Volts car battery go in - resistor - what come out ?? volts?? watt???


Thanks in advance
Steve
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  #2  
Old 04-12-2003, 10:30 AM
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Join Date: Oct 2002
Location: Toronto, Canada
Posts: 700
your answer....

This is a 24Ohm resistor with +-10% tolerance and can fail 0.1% of every 1000 hours of operation.

From a 12V battery, if we use V=IR we get 0.5Amps of current coming out of the resistor.

Voltage remains constant unless there is a voltage drop through the resistor.

If I'm wrong please correct me, I studied electronics for a few days in order to figure out a circuit for a class not related to electronics at all.

xp
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  #3  
Old 04-12-2003, 02:44 PM
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
This appears to be a 1/4 Watt resistor at high magnification, and if you connect across 12V, it will draw 0.5X0.5X24= 6 Watts! Briefly.

Don't hold it in your hand while you do this, because it will quickly become incandescent, then - if the flameless type of metal film resistor - it will turn color and die.

What did you need to use it for?

Steve
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