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Faraday's Law

Discussion in 'Electronic Basics' started by Tom Del Rosso, Nov 24, 2012.

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  2. MrTallyman

    MrTallyman Guest

    It will be interesting to see what everyone says.
  3. Tim Williams

    Tim Williams Guest

    Basically semantics about where the "winding" is. Note that he indicates
    0.9V - (-0.1V) = 1V for the total loop voltage; Kirchoff isn't violated if
    the EMF is placed symbolically somewhere in the loop. Where doesn't matter,
    and in reality, it will be evenly distributed (of course, we don't have
    non-Laplacian fields, either, so there will be a nonzero amount in the
    voltmeter loops as well).

    Calling it "nonintuitive" is silly. There is nothing nonintuitive about
    Maxwell's equations (at least until you start throwing nonlinear materials
    around). E&M is *easy*.

    The people I really feel bad for are the people involved in any fluids:
    aerodynamics, fluid mechanics, hydraulics, etc. The Navier-Stokes equations
    can be linearly approximated in only a limited set of cases -- small
    Reynolds number. Any real, interesting and useful application is hopelessly
    difficult to analyze, and, until recently, was mostly confined to empirical
    data (this flow through this roughness of pipe requires so-and-so pressure
    drop) and trial-and-error experiments. They tried, what, hundreds of
    combustion chamber designs on the Saturn V rocket before they found one that
    didn't KATO? Nowadays, these systems can be simulated, at huge
    computational expense, still involving many turbulence and scale-related
    approximations to try to optimize the process, but the development of models
    is still largely dependent on the user.

  4. Tom Biasi

    Tom Biasi Guest

    Sometimes profs like to hype their lessons so the students don't drift
    off :)
  5. I love Walter Lewin lectures, There's a nice series on vibration,
    (3rd year mechanics?) on the MIT video website.

    It's too bad the video stopped before he did the demo.

    George H.
  6. I go to the MIT website and watch a whole semester of lectures.
    (Not all in one night :^)

    George H.
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