Any suggestions, please?

[Colin Law]

On 10 September 2010 15:04, Dave Howorth <dhoworth at mrc-lmb.cam.ac.uk> wrote:
> Colin Law wrote:
>> I always think it is a bit of confidence trick selling electricity.
>> The supplier sends us electrons up one wire but we have to send them
>> back down the other so the supplier ends up with the same number of
>> electrons he started with, but we still have to pay.  It does not seem
>> right.
>
> It's worse than that. The supplier basically just shakes the electrons
> at you, like tassels on a ????
>
> According to <http://en.wikipedia.org/wiki/Electric_current>
> "For example, in a copper wire of cross-section 0.5 mm2, carrying a
> current of 5 A, the drift velocity of the electrons is of the order of a
> millimetre per second."
>
> So in an AC circuit, the electron would get about 1/100 mm or 10 µm
> before it turned around and headed back the way it came.
>
> I suppose the good news is that you get to keep your own electrons, that
> were inside your coffee maker the whole time.

It is such a downer when ones witty comment gets trumped   :(

Colin