Timeline for Calculating resistance of a load
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| May 5, 2023 at 13:56 | history | edited | Neil_UK | CC BY-SA 4.0 |
added 452 characters in body
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| May 5, 2023 at 13:51 | comment | added | Neil_UK | @Vely You can use a constant current power supply without a resistor. A constant voltage power supply into a 'constant voltage' load like an LED doesn't play nicely. A small temperature change of the LED can alter its forward voltage a little, which alters its current exponentially, easily leading to thermal runaway and destruction. | |
| May 5, 2023 at 13:48 | comment | added | Vely | Ok thanks, so a resistor is used in case the voltage drops down to raise the current? and if I use a constant voltage power supply I don't need a resistor? | |
| May 5, 2023 at 13:24 | history | answered | Neil_UK | CC BY-SA 4.0 |