Subject: Re: K Quiz Date: Fri, 23 May 1997 16:13:42 -0700 (PDT) From: "Edward V. Phillips" <ed-at-alumni.caltech.edu> To: tesla-at-pupman-dot-com As nearly as I can read this all of those cases have the same geometry and hence the coupling coefficient (NOT the mutual inductance) should be the same in all cases except for minute difference due to wire spacing. Ed