Engineering, 22.10.2019 21:00 amcdaniel1
Acircuit includes a 12 vdc power supply which powers a blue high-intensity led with a forward voltage of 4.5volts. the led is rated to withstand a maximum current of 20ma. what size resistor should be connected in a series with the led?
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Acircuit includes a 12 vdc power supply which powers a blue high-intensity led with a forward voltag...
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