---------- From: ESchulz531 [SMTP:ESchulz531-at-aol-dot-com] Sent: Friday, April 03, 1998 5:41 PM To: tesla-at-pupman-dot-com; tesla-2-at-emachine-dot-com Subject: Inductance of a multilayer coil All, Anybody know the equation for inductance of a multilayer coil? Erik