11 May
2010
11 May
'10
12:49 p.m.
On May 11, 2010, at 3:29 PM, Chuck Guzis wrote:
On 11 May 2010 at 13:37, John Foust wrote:
I've seen this too - also helping my son :-)
My guess is the resistance changes as the filament begins to "glow".
Or at least that's what I remember thinking at the time. caveat: there may have
been
gin envolved - as I recall it was the weekend.
I'd be curious to know the real answer.
-brad
At 01:05 PM 5/11/2010, Chuck Guzis wrote:
Yes, four seemingly identical bulbs from
identical flashlights
from Walmart. I tried any two in series. Only one lights.
It might be interesting to see what Mr. Ohmmeter says about the cold
resistance of each lamp.