[sdiy] ot: analytical solutions for simple inductance cases

Czech Martin Martin.Czech at micronas.com
Fri Nov 7 14:33:25 CET 2003


Thanx,

I have now looked into the books myself, for
a recangular loop i can obtain a good solution,
wire diameter will not give any problems.

m.c.

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Chris Williams
> Sent: Donnerstag, 6. November 2003 15:18
> To: Sdiy (E-mail)
> Subject: Re: [sdiy] ot: analytical solutions for simple 
> inductance cases
> 
> 
> For a circular loop (and the radius of the loop is much 
> larger than the
> width of the wire)
> 
> L = u0*l*(ln(4*l/w)-2.45)/(2*pi)
> where l = 2*pi*r
> 
> r is the radius of the loop
> w is the width of the wire
> u0 is 4*pi*10^(-7)
> 
> HTH Martin.
> 
> Cheers,
> 
> Chris.
> 
> PS: I have an electromagnetic theory exam on Saturday and its doing my
> sanity no good at all ;)
> 
> 
> On Thu, 2003-11-06 at 17:45, Czech Martin wrote:
> > Can anyone point me to analytical solutions for 
> > inductance of a wire loop, e.g. with Biot-Savart.
> > Or to approximations, e.g. if the wire is much thinner
> > then the diameter of the loop.
> > 
> > i need it for some sanity check.
> > 
> > Thanx.
> > 
> > 
> > Martin Czech
> > 
> > 
> >  
> > 
> > 
> 
> 



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