Some do, some don't. A net negative charge derived from the earth will leave a correponding image charge.
Dipole-Multipole configuations exert a a net force in non-uniform electric fields such as the "fair weather Field" that exists between the earth and the ionosphere. Fred > > [Original Message] > From: Michel Jullian <[EMAIL PROTECTED]> > To: <[email protected]> > Date: 3/17/2007 6:50:04 AM > Subject: Re: [Vo]: Re: Three Phase Lifters > > Right, they don't move quite freely, but nearly. Many people's lives depend on Earth being a pretty bad insulator. > > Why use a globally neutral device BTW, rather than a net negative charge? > > Michel > > ----- Original Message ----- > From: "Frederick Sparber" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Saturday, March 17, 2007 1:35 PM > Subject: RE: [Vo]: Re: Three Phase Lifters > > > > You assume that all charges flow freely. The Electron Affinity for many > > molecules-materials > > in the earth-earth surface, buildings etc, ranges up to several electron > > volts. > > > > Fred > >> > >> [Original Message] > >> From: Michel Jullian <[EMAIL PROTECTED]> > >> To: <[email protected]> > >> Date: 3/17/2007 6:06:03 AM > >> Subject: [Vo]: Re: Three Phase Lifters > >> > >> Globally attractive or repulsive ? But again, this doesn't take into > > account the fact that charges flow freely on the Earth surface. Could you > > find no applet where charges can move freely on the surface of conductors? > > Surely there must exist one. > >> > >> Michel > >> > >> ----- Original Message ----- > >> From: "Frederick Sparber" <[EMAIL PROTECTED]> > >> To: <[email protected]> > >> Sent: Saturday, March 17, 2007 8:06 AM > >> Subject: [Vo]: Re: Three Phase Lifters > >> > >> > >> > This CalTech Applet shows how a three-point distribution of positive > > charges > >> > surrounding a negative charge can feel a force from the "~0.5 > > megacoulomb excess negative charge of the earth". > >> > > >> > Induction or Tesla Coils sequencing? > >> > > >> > http://www.cco.caltech.edu/~phys1/java/phys1/EField/EField.html > >> > > >> > > >> > > >> > O +1 > >> > > >> > O -3 > >> > > >> > O +1 O +1 > >> > > >> > > >> > O -1 O -1 O -1 O -1 O -1 O -1 O -1 O -1 (putative > > earth charge) > >> > > >> > > >> > Have fun. :-) > >> > > >> > Fred > >> > > >> > > > > > > > >
