On Mon, 13 Dec 2004, Carlos Murillo wrote:
It isn't
much good for home use. In fact, lamps don't
do as well on DC as AC because of the electrical effects
of the wire evaporating ( not sure which end goes first ).
Ah, the "Edison Effect".
I'd heard of the effect, but not for a long time, and probably paid little
attention to it :-)
So, how pronounced is this DC-filament effect? If I collect
dead lightbulbs from my cars, should I see filaments with gaps
burned towards the ground end more often than not?
(Tapered filaments would fix this.)