Pro/Forums - View Single Post - Damn it. Voltage on 13.8v PSU too high...

bigben2k · 03-03-2006, 01:26 PM

You don't need a powerful resistor.

V = R * I
P = V * I

Let's use:
V= 15 volts
R = 1000 (1k)

"I" resolves to 0.015 Amps (aka 15 mA)
"P" resolves to 0.225 Watts

A standard quarter watt resistor will do just fine.

03-03-2006, 01:26 PM	#7
bigben2k Responsible for 2% of all the posts here. Join Date: May 2002 Location: Texas, U.S.A. Posts: 8,302	Re: Damn it. Voltage on 13.8v PSU too high... You don't need a powerful resistor. V = R * I P = V * I Let's use: V= 15 volts R = 1000 (1k) "I" resolves to 0.015 Amps (aka 15 mA) "P" resolves to 0.225 Watts A standard quarter watt resistor will do just fine. __________________ WBTA (Water Block Testing Alliance) Nordic Hardware WC 101