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Electric eddy field

  1. Nov 24, 2008 #1
    Hello!

    I'm studying Maxwell's equations at the moment. To solve Maxwell's equations one can introduce scalar- and vectorpotentials and calculate the electric and magnetic field by [tex]E=-\text{grad}\,\Phi-\frac{\partial A}{\partial t}[/tex]
    and
    [tex]B=\text{rot}\,A[/tex],
    respectively.
    I have the following question to that: Is the contribution of the time derivative of [tex]A[/tex] in the formula for [tex]E[/tex] due to the electric eddy field that is induced by a time varying magnetic field? If not, how it is possible to calculate the electric eddy field when a time varying magnetic field is given?

    Thank you for your help!
     
  2. jcsd
  3. Nov 24, 2008 #2

    clem

    User Avatar
    Science Advisor

    The term "electric eddy field" is not commonly used in English. Just saying "electric field" is enough. If you take
    [tex]\text{rot}\,E=\text{rot}[-\text{grad}\,\Phi-\frac{\partial A}{\partial t}][/tex], you get Maxwell's equation that is differential equation relating E and B.
     
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