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# Re: [femm] electric filed intensity visualization

- To: femm@yahoogroups.com
- Subject: Re: [femm] electric filed intensity visualization
- From: Joe Riel <joer@k-online.com>
- Date: 08 Feb 2003 07:48:01 -0800
- In-reply-to: <b0di4e+srjt@eGroups.com>
- References: <b0di4e+srjt@eGroups.com>
- User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.2

    "indiana_andy <andy@azboss.net>" <andy@azboss.net> writes:

    > How does one sense the field
    > directly, without depending on the resulting magnetic flux? If all of
    > those coulombs are crossing a boundary, where is the boundary and
    > where are they going?

    They are not couloumbs, you got your fields mixed!

    A nice way to visualize both magnetic and electric fields
    is as differential forms. The H field is a one-form,
    the B field is a two-form. Similarly the E field is
    a one-form and the D field a two form. Download the
    the papers at http://www.ee.byu.edu/ee/forms/forms-home.html
    for some examples.

    Joe Riel

- References:
  - electric filed intensity visualization
    - From: "indiana_andy <andy@azboss.net>" <andy@azboss.net>

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