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
![Why exactly can't a single resistor be used for many parallel LEDs? - Electrical Engineering Stack Exchange Why exactly can't a single resistor be used for many parallel LEDs? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/3FRWT.gif)
Why exactly can't a single resistor be used for many parallel LEDs? - Electrical Engineering Stack Exchange
![Can I use a single resistor for multiple LED with different +ve sources? - Electrical Engineering Stack Exchange Can I use a single resistor for multiple LED with different +ve sources? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/p9pAQ.png)