29-02-2012, 07:36 PM
No problem.
I expect some of the people you asked didn't actually understand themselves!
I expect some of the people you asked didn't actually understand themselves!
(29-02-2012, 06:48 PM)andyrail Wrote: Thanks PJW, your explanation was very clear even for me as a layman and the penny really dropped when you used the torch batteries as an example ,it was one of them ,"Oh yer " moments. Not the first time I,ve asked this question but this is the first time I think the answer given has given me a clear insight ,rather than more confusion. Once again ,Thanks.
PJW

