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Re: AC coil resistance equation




From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>

> From: dwight duncan <duncand-at-ccsalpha2.nrl.navy.mil>
> 
> At 05:43 AM 8/27/98 -0600, you wrote:
> >From: "bmack" <bmack-at-frontiernet-dot-net>
> >
> Hello,
> 
>     The impedance of an inductor is as: XsubL=w*L That simple, w
Omega=2pief.
> And Q can be calculated directly as : Q=w*L/R Where R is the DC resistance.
>  That is it, hope this helps.

Unfortunately not as a measurement would show. There is a frequency 
dependence in the top line and there should be in the bottom line as 
well. AC and DC do not mix properly.

Malcolm
<snip>