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Help calculating a resistor |
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Radioflyer
Joined: Sep 25 2007 Posts: 919  1997 Chevrolet Corvette Last updated: 01/06/08 |
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Wed Oct 01, 2008 6:40 pm
I'm looking for a resistor to simulate the load of a 12v 60mA light bulb. How do i calculate this?
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PwrRngr
Joined: Jul 19 2007 Posts: 2280 2003 Ford Mustang Last updated: 11/15/08 |
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Thu Oct 02, 2008 12:31 pm
Voltage = Current * Resistance ----> Resistance = Voltage/Current
Resistance = (12)/(.060) Resistance = 200 ohms |
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Radioflyer
Joined: Sep 25 2007 Posts: 919 1997 Chevrolet Corvette Last updated: 01/06/08 |
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Thu Oct 02, 2008 4:21 pm
^^^ thanks.
I really should have paid attention in physics. |
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alienyoungjr
Joined: Apr 30 2004 Posts: 4457 Location: Texas (1,383 LEDs) 1996 Honda Accord Last updated: 10/07/08 |
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Thu Oct 02, 2008 10:15 pm
or if you're really lazy then use this
http://led.linear1.org/1led.wiz |
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RADRaze2KX
Joined: Sep 16 2008 Posts: 289 Location: Chandler, AZ 1998 Ford ZX2 Last updated: 09/16/08 2004 Infiniti G35 Last updated: 09/16/08 |
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Thu Oct 02, 2008 10:17 pm
you learn this in jr high bio/chem... heh |
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Radioflyer
Joined: Sep 25 2007 Posts: 919 1997 Chevrolet Corvette Last updated: 01/06/08 |
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Fri Oct 03, 2008 7:13 am
your school obviously has higher expectations than mine 
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D_M_A_N
Joined: Dec 20 2006 Posts: 141 Location: Houston, TX 2006 Scion xB Last updated: 10/01/08 |
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Fri Oct 03, 2008 8:43 am
^^^
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RADRaze2KX
Joined: Sep 16 2008 Posts: 289 Location: Chandler, AZ 1998 Ford ZX2 Last updated: 09/16/08 2004 Infiniti G35 Last updated: 09/16/08 |
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Fri Oct 03, 2008 9:44 am
lol nice reply
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The time now is Thu Dec 04, 2008 11:45 am