Hi, I am very new to electronics but am trying to make a simple circuit. I have 16 3.2v .02a blue leds I want to power, I wire them in parallel and provide 2 9v batteries to power them, I use 2 100 ohm resistors which should be 50 ohms in parallel. After using ohms law I concluded that the resistance I needed was 46 ohms, 50 being almost 10% greater. When I tested the circuit out, all of my leds got shot, and the resistors didn't do anything, what do I do!! Please help, thanks!
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