Xref: utzoo rec.boats:4182 sci.physics:13758 sci.electronics:13094 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!zephyr.ens.tek.com!orca.wv.tek.com!pogo!bobt From: bobt@pogo.WV.TEK.COM (Bob Tidrick) Newsgroups: rec.boats,sci.physics,sci.electronics Subject: Re: St Elmo's Fire - 100 v/m ? Message-ID: <9505@pogo.WV.TEK.COM> Date: 25 Jul 90 15:47:42 GMT References: <1990Jul18.111525.5749@ioe.lon.ac.uk> <5498.26aba906@cerritos.edu> Reply-To: bobt@pogo.WV.TEK.COM (Bob Tidrick) Followup-To: rec.boats Organization: Tektronix, Inc., Wilsonville, OR. Lines: 19 >> about 100 volts per meter. Why does this not electrocute you? Because >> your skin is so much better at conducting than air, your skin can be >> treated as a perfect conductor. Your head and your feet have the same >> potential as the earth. A foot from your nose, the air is at a potential >> of +200V. >Why can't this be measured with a DVM? This potential has an "extremely" high impedance. A static meter just might measure it. -- Bob Tidrick GPID Engineering Tektronix Inc. Wilsonville OR.