On Mon, 20 Aug 2007 13:39:23 +0100, "Dave Plowman (News)"
wrote:

In article ,
Ross Herbert wrote:
As others have described, A relay, whether DC or AC
is simply a coil of wire on a core of suitable magnetic material
(usually soft iron) with a closed magnetic loop which passes
through
the pivoted armature.

Think 'magnetic material' is the wrong term. It is capable of being
momentarily magnetised - but isn't actually magnetic.


You are being a bit nit-picking aren't you?... You know what was meant
by the shorthand description. In this case "magnetic material" means
"magnetically permeable material" to be precise.