What is the source of this problem? I am studying LED characteristics. I found that yellow and blue LED has low voltages than red and green respectively. - Quora
You have a red LED that you want to connect to a 12V battery. The maximum current that it's safe to put through this LED is 10 mA. How much resistance does
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![Different forward voltages of red-green-blue (RGB)LEDs under the same... | Download Scientific Diagram Different forward voltages of red-green-blue (RGB)LEDs under the same... | Download Scientific Diagram](https://www.researchgate.net/publication/325566660/figure/fig3/AS:634056391806976@1528182232002/Different-forward-voltages-of-red-green-blue-RGBLEDs-under-the-same-driving-current.png)