Timeline for Why can't I light a LED with a 1.5 V battery?
Current License: CC BY-SA 3.0
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| Nov 20, 2017 at 1:38 | comment | added | Harper - Reinstate Monica | @SeanHoulihane Yes, until a filament lights, it's near a dead short, and still has a considerable "inrush current" until it reaches full power. If you use an incandescent in a current-limited mode, you can do a lot of stuff like that. For chuckles, put an incandescent on a CC supply and watch it warm up slowly. | |
| Nov 20, 2017 at 0:56 | comment | added | Sean Houlihane | I was taught that a filament bulb made a reasonable constant-current load, the hotter it burns, the higher the resistance. Maybe this is what you mean by 'once they light'. | |
| Nov 18, 2017 at 17:59 | history | edited | Harper - Reinstate Monica | CC BY-SA 3.0 |
added 67 characters in body
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| Nov 18, 2017 at 17:50 | history | answered | Harper - Reinstate Monica | CC BY-SA 3.0 |