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#1 biferi

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Posted 13 March 2014 - 03:22 PM

I know this is not a PC Topic but I thought I would ask.

I know if you have 2 Resisters in Series and one is 20 Ohm and the other is 20 Ohm you will ad them up and it will be 40 Ohm.

But if they are side by side ijn Parallel how do you figure it out?



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#2 Animal

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Posted 13 March 2014 - 03:24 PM

Calculator here: http://www.daycounter.com/Calculators/Parallel-Resistance-Calculator.phtml

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#3 biferi

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Posted 13 March 2014 - 04:05 PM

Thank you I just wanted to know if there is an easy way to do it by hand?



#4 Animal

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Posted 13 March 2014 - 04:42 PM

Better explanation than I can do: http://www.wikihow.com/Calculate-Series-and-Parallel-Resistance

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#5 Platypus

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Posted 13 March 2014 - 08:35 PM

If the resistors are the same value it's very easy, just the value divided by number of resistors. So your two 20 Ohm in parallel result in 10 Ohm. But for differing values paralleled you need the formula.


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