On Sat, 5 Jun 2004 13:17:08 +1000, "Phil Allison"
wrote:


** One you have got that far you have constructed a transformer. Drive some
AC current into the original inductor's winding ( from an audio generator or
similar) and measure the AC voltage on it and on the overwind you created.

The turns ratio and the (unloaded) voltage ratio you measure are in exact
proportion.


As long as the same flux traverses all the turns.


John