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if you wired two 3 volt leds in series, then three in parallel, would it be able to be hooked up to a 9 volt battery? Answered

would the first two act as a resistor, then the rest (being in parallel) act as one big led?


Do try this: http://led.linear1.org/led.wiz (LED series/parallel array wizard)
If you did it the way you're thinking of you'd have only 1/3 the current going through each of the parallel LEDs, as compared to the series pair.