Basic DC electricity question
Chop Suey wrote:
Larry inspired greatness with:
The LEDs being produced today for illumination do not require any resistor.
They are connected directly to the battery or other power source.
They may have a resistor packaged with it, but a LED is a *DIODE*, and
it requires a resistor.
For the sake of my education let me ask. Doesn't an LED have a
predictable voltage drop across the junction? I seem to recall 1.5
volts is that correct? If it is I only need as many LEDs in series as
will equal the voltage and they will need no external resistance. Is my
memory wrong?
--
Tom Horne
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