I do make (all too frequent) mistakes so check away. Carbon is 2000 times more resistive than copper. Being more resistive the carbon skin depth at lightning frequencies is much deeper than copper or steel (note the steel is magnetically saturated).
Dave On Jul 27, 2012 3:26 PM, "Mike Waters" <[email protected]> wrote: > Thanks, Dave. That's amazing, and I won't argue anymore, even though I > didn't (and probably won't) check your figures. > > I would have thought that the carbon sphere would have a MUCH greater > resistance than .003 ohms. > > 73, Mike > www.w0btu.com > > On Fri, Jul 27, 2012 at 3:42 PM, DAVID CUTHBERT <[email protected]>wrote: > >> A ... one inch sphere about 3 m ohms. ... The observe heats 43 deg C >> > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
