In article ,
JS wrote:
I am in ther UK. If I measure the resistence of 10 metres of
mains flex with my DC ohm-meter then will my resistence reading be
noticeably different to the resistence when I actually make use of
the 10 metre flex to light a 500W floodlight powered from the AC
mains at 230 volts/50 Hz?
You might find this more useful in practice.
http://www.tlc-direct.co.uk/Technica...ltageDrop.html
--
*Time is what keeps everything from happening at once.
Dave Plowman
London SW
To e-mail, change noise into sound.