Help!?!?

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Dave2603

Senior Member
ECF Veteran
Aug 19, 2014
91
50
Stuart, Florida
You need two variables to calculate wattage. Knowing just the voltage isn't enough, you also need to know the resistance of your coil in ohms. By entering the resistance and voltage into the ohms law calculator, you can calculate wattage. At any given resistance and voltage, the wattage will always be the same..... that's the law! (ohm's law that is)
 
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