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Electric Field Lines

  1. Feb 2, 2013 #1
    1. The problem statement, all variables and given/known data

    A uniform electric field of magnitude 6.5 [itex]\frac{N}{C}[/itex] passes through a circle of radius 12 cm. What is the electric flux through the circle when its face is perpendicular to the field lines.



    3. The attempt at a solution

    The only problem with this question is picturing the field lines. I initially thought that "perpendicular" meant 90°.

    I tried to apply that angle to the flux formula, but I need to picture this surface? I'd appreciate an explanation of the EF and field lines. Or if there is a website that I can check that explains and shows how electric fields and field lines are shown.
     
    Last edited: Feb 2, 2013
  2. jcsd
  3. Feb 2, 2013 #2

    Dick

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    Homework Helper

    The surface is a disk. And yes, perpendicular means 90 degrees. The E field is normal to the surface. What's the definition of 'flux'? You should be able to look that up. There aren't very many easier flux questions around.
     
    Last edited: Feb 2, 2013
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