MAHMOUD DARWEESH wrote:
>
> If I wound two coils on the same core and the direction of winding is
> the same for the two coils(say,clockwise), and connect an a.c voltage
> source two one of the coils (name it primary). What will be the phase
> of the induced voltage on the other coil (the secondary)? Will be
> in-phase with the primary voltage or out-of-phase with it?
> Thanx for help


Try doing a net search for "bifilar wound coils"
and you should get some good info. :o)
-Roman

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