Dec 11, 2012 #1 C carpenter Full Member level 6 Joined Jul 25, 2012 Messages 353 Helped 22 Reputation 44 Reaction score 24 Trophy points 1,298 Activity points 4,467 For example ETD 3913 CF139 Al=2950 nH , Le=92.2mm, Ae=125mm2, if insert gap 0,1mm Al decrease on ?
Dec 11, 2012 #2 ALERTLINKS Advanced Member level 4 Joined Dec 13, 2003 Messages 1,258 Helped 396 Reputation 786 Reaction score 380 Trophy points 1,363 Location Pakistan Activity points 7,263 http://info.ee.surrey.ac.uk/Workshop/advice/coils/gap/index.html **broken link removed**