Quote:
Originally Posted by footfootfoot
I found at Radioshack a 25-Ohm 3-Watt Rheostat.
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A hypothesis is based in those two equations and numbers provided for the fan. To know whether that solution works means experiimental evidence (numbers) a multimeter. It might work. Without those numbers, I cannot say anything useful. No other tool is more needed when doing anything electrical. From solving a dead car battery to fixing an appliance to doing a unique design.