a_question_for_anyone
a chaotic gift to idealism if you ran a normal electrical wire that you would find on any pole across the united states, from Maine to California, one end having a powersource, one end having a lightbulb, and you turned on the powersource, how long would it take for the bulb to light?

PS. this is what the alphabet would look like if Q and R were removed.
it's not a trick question
050614
...
anne-girl assuming electricity travels at the speed of light 3 * 10^8 m/s
and the distance from maine to california is ~3500 miles (5.6 * 10^6 m)

it'd be about 0.02 seconds
just my guess
050614
...
a chaotic gift to idealism ok so....
what would travel faster... a beam of light from a fiberoptic cable or the flow of electricity from a wire ?
050614
...
p2 the lightbulb should never light
since the circuit was never completed

as for your second question
in theory
electricity through a copper wire
travels at the speed of light in a vacuum
therefore
electricity should be faster
than light through a medium
i.e., the fiber optic cable

the next logical question then is
why is fiber considered faster
than copper in networks

this is due to a number of reasons:

1. copper wire from your house
to the telco
tends to be all tangly
making the length longer than the straight line it seems to be

2. fiber optics are not affected by
electromagnetic interference

3. monomode & multimode fiber
have higher bandwidth than the copper
in that
although copper is faster
more data can be sent through the fiber cable

4. signal attenuation in copper
results in the requirement of repeaters
at shorter distances than fiber
(100 m v. 2 km)
making fiber the medium of choice
for long distances
050614
...
the frequency of birdmad *ding-ding-ding*

as a former RF-equipment technician, i concur with p2



ain't as frequent as it used to be
050614
...
? ... 050614
...
anne-girl damn, guess that electricity & magnetism course didn't do much for me after all :) 050614
...
p2 nah
that was a trick question
made doubly tricky
by the declaration
that it wasn't a trick question

truly diabolical

speaking of trick questions
here's one to ponder:

why is the speed of dark slower than the speed of light?

here's an experiment to support this:

stand in a room with no outside light
with the ceiling light on
(either at night
or a room with no windows)

stand by the wall switch
and close your eyes

now simultaneously
flick off wall switch
and open your eyes

if you're fast enough
you should be able to see
the light fade around you
leaving you in darkness

it'll only be for a split second
but that's much slower
than an event that occurs
at the speed of light
050615
...
a chaotic gift to idealism it was not intended to be a trick question. you may have just taken my wording too liteally. i simply wnated to knwo which would travel arrive quicker from point A to point B. ;)
thanks for the replies btw.
050615
...
poo mmm typos forgot a / also 050615
...
three words a_question_for_anyone
weaponry inquiry_regarding_scientific_ethics
110509
what's it to you?
who go
blather
from