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Making 12V 2 Ohm Resistor?


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rwturbo 
Member - Posts: 25
Member spacespace
Joined: November 20, 2013
Location: Virginia, United States
Posted: February 23, 2015 at 9:32 PM / IP Logged  
I have figured this out before and I feel stupid asking for help. I am trying to make a 12volt 2 ohm resistance dummy load. I have been sick and my mind isn't all together. Any help would be appreciated. Thanks
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: February 24, 2015 at 3:01 AM / IP Logged  
12V @ 2R => 12x12/2 = 72W.
14.4V @ 2R => 104W.
Hence say two 1 Ohm 50W resistors in series.
Or five 10 Ohm 20W in parallel.
They'll get hot so maybe using more resistors is desirable...
tedmond 
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Gold spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 06, 2007
Location: Ontario, Canada
Posted: February 24, 2015 at 11:54 AM / IP Logged  
bingo, very hot indeed.
Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert

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