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Farmall Tractors Discussion Board

Re: 12v Farmall Conv..more help please

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Posted by CHUCK ANEMA on November 08, 1999 at 18:57:23 from (207.65.141.96):

In Reply to: 12v Farmall Conv..more help please posted by Gee on November 08, 1999 at 15:38:41:

POWER IS EQUAL TO I SQUARED TIMES THE RESISTANCE VALUE. IF YOU ARE CHARGING 3 AMPS THROUGH A 10 OHM RESISTOR THE POWER WOULD BE 90 WATTS. 3X3 X R. THIS IS JUST AN EXAMPLE. IF YOU KNOW THE CURRENT AND THE RESISTANCE VALUE CALCULATE THE POWER AND USE A RESISTOR WITH AT LEAST TWICE THE POWER CALCULATED. A 1/2 WATT RESISTOR SOUNDS PRETTY SMALL AROUND A CHARGING CIRCUIT.

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Re: Re: 12v Farmall Conv..more help please Bill 19:17:05 09/29/03 (0)

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