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?
How come they can't stay on for a minute and then burn 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.