"Mark Lloyd" wrote in message
...
On Thu, 15 Feb 2007 13:12:12 -0800, "Bob F"
wrote:


"Doug Miller" wrote in message
.net...
In article , "Bob F"
wrote:

If the voltage is insufficient, no power supply, no matter what
current
it
can deliver, will light the bulb.

Oh, really? Let's see the explanation of that.


There are hundreds of amps available from a car battery. Ever notice you
don't get electrocuted when you touch both terminals? It's the same
thing.

Bob


But you can do welding with one (of course that's not using your body
as part of the circuit).

Actually, when I did welding with them, it took 3 car batteries
to do the job well.

Bob