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Old 03-09-2012, 12:03 AM   #5529 (permalink)
MPaulHolmes
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I used my math 102 class today to do a series of voltage, current and rpm measurements on a DC motor. the results:

if voltage is fixed, the amp-rpm curve is linear. for different voltages, the amp-rpm curves are parallel. So, you just need 2 of 3 volts, amps, and rpm to know the other one.
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