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David
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Posts: 1,231
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#12

08-10-2014, 11:33 AM
Good morning to find ohms take deisred voltage drop divided by amps 12volts divided by .150amps(150millamps) equals 80 ohms. to find the wattage of the resistor watts = volts x amps 12x.150=1.8 watts. You want a safety factor of 3 to 5 so use 10 watts. Hope this helps. David
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Messages In This Thread
line dropping - by applepicker - 08-08-2014, 02:56 PM
RE: line dropping - by morzh - 08-08-2014, 04:02 PM
RE: line dropping - by tab10672 - 08-08-2014, 04:40 PM
RE: line dropping - by codefox1 - 08-08-2014, 05:32 PM
RE: line dropping - by Ed Locker - 08-09-2014, 08:57 AM
RE: line dropping - by tab10672 - 08-09-2014, 09:57 AM
RE: line dropping - by applepicker - 08-09-2014, 02:47 PM
RE: line dropping - by morzh - 08-09-2014, 03:26 PM
RE: line dropping - by David - 08-09-2014, 04:45 PM
RE: line dropping - by klondike98 - 08-09-2014, 06:57 PM
RE: line dropping - by Arran - 08-10-2014, 01:38 AM
RE: line dropping - by David - 08-10-2014, 11:33 AM
RE: line dropping - by codefox1 - 08-10-2014, 07:37 PM
RE: line dropping - by morzh - 08-10-2014, 08:18 PM
RE: line dropping - by applepicker - 08-10-2014, 08:31 PM
RE: line dropping - by morzh - 08-10-2014, 08:34 PM



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