[NSRCA-discussion] JR and un-regulated 6V
Bob Richards
bob at toprudder.com
Fri Jun 16 03:36:42 AKDT 2006
Anthony,
Resistance (ohms) = voltage / current (amps)
6v / 0.5a = 12 ohms.
Now, for power rating in watts:
P = current (amps) x volts.
0.5 x 6 = 3 watts.
Now, the trick is to find a resistor that size. Radio Shack probably won't have one that size. But, you can put multiple resistors together to get the resistance and wattage you need.
Radio Shack has (at least on their website) 100 ohm 1/2 watt resistors. You can parallel 8 of these to get 12.5 ohms and 4 watts. Should be close enough for your purpose.
Bob R.
Anthony Romano <anthonyr105 at hotmail.com> wrote:
Good idea. Could someone suggest a resistor for 500mah load on 6v for the
electrically impaired?
Anthony
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