Why do light bulbs only burn out right when you turn the light switch on?
How come they can't stay on for a minute and then burn out?
I was essentially correct. The stress of the sudden temperature change is what usually makes the filament give out.Wowwwww, you just blew my mind. Thermal expansion? Because the filament is cold at first? I don't know. But now I'll have to find out or else my head will explode.![]()
Taken from this article: Why do light bulbs burn out just as they’re turned on?
Those who wish to prolong the lives of their bulbs for ecological or sentimental reasons can pre-warm them to a cozy 2,000 degrees before switching them on.
