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*To*: tesla@xxxxxxxxxx*Subject*: Re: Choke size?*From*: "Tesla list" <tesla@xxxxxxxxxx>*Date*: Mon, 14 Aug 2006 20:47:51 -0600*Delivered-to*: testla@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*Old-return-path*: <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>*Resent-date*: Mon, 14 Aug 2006 20:48:07 -0600 (MDT)*Resent-from*: tesla@xxxxxxxxxx*Resent-message-id*: <aUTfTkqEGMP.A.ljH.nXT4EB@chip1>*Resent-sender*: tesla-request@xxxxxxxxxx

Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx> Hi Steve,

L = (V/I) / (2*pi*freq) Gerry R.

Original poster: "Steve Studer" <reddykguy@xxxxxxxxxxx>Does anyone know of a formula for calculating the inductance of achoke with an iron core? I have 4 chokes the size of large mot'sthey have about 30 turns of .250" flat copper wire. I cannot seemto find any formulas except for air core formulas. I would like touse two of these for a DC resonant power supply. I just don't haveany idea what the inductance might be.Thanks, Steve

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