Re: Inductance

To: tesla-at-pupman-dot-com
Subject: Re: Inductance
From: Parpp807-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Wed, 05 Jan 2000 20:04:12 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 1/5/00 8:05:50 PM Central Standard Time, tesla-at-pupman-dot-com 
writes:

<< Subj:     Inductance
 Date:  1/5/00 8:05:50 PM Central Standard Time
 From:  tesla-at-pupman-dot-com (Tesla List)
 To:    tesla-at-pupman-dot-com

 Original Poster: Kamil Kompa <czlonek-at-polbox-dot-com>

Hi Kamil,

The equations are the same for air and iron-cored inductors. The effect of 
the iron is to "short
circuit" more of the magnetic field. Iron is more permeable than air. That is 
why large value inductors
like filter chokes have iron cores.

I find that a good college level physics text will give a better explanation 
than will an EE text. A good
high school physics text can also have a good explanation along with the 
derivations of the
equations.  Hope this helps.

Happy day,
Ralph Zekelman 

 >>>Hi !

 Im looking for a mathematic formula , which allows to count
 inductance of coil. I know how to count inductance for coils without
 core
 but Im looking for a formula that will be suitable to count inductance
 of coils with core.

 Thanks for your help.

 Kamil Kompa
 czlonek-at-polbox-dot-com<<<

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