Michael Vinson wrote: > > Russell McMahon wrote, in part: > >- Mean current flow into any circuit node is zero > > i.e. TOTAL current flow > > >- The sum of potentials around a closed loop equals zero And in regards to AC current? Ever touched 415v AC when wearing rubber soled shoes? One connection only, no closed loop and "ouchy" current. ;o) -Roman -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads