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Homework Help: Line Integral dl in spherical polar coordinates

  1. Mar 27, 2009 #1
    1. The problem statement, all variables and given/known data

    Hi guys,

    I'm trying to evaluate a line integral, Integration of Vector A dot dL

    The vector A was given to be a function of r, theta and fi in spherical polar coordinates.

    The question states that an arbitrary closed loop C is the circle parametrised by fi at some arbitrary values of (r, theta).

    I would like to ask the following questions:

    (i) How do I rewrite dl, the line element, in terms of spherical polar co-ordinates? What does it mean by the closed curve C is the circle parametrised by fi at some arbitrary values of (r, theta). How does it change my dl if C wasn't a circle?

    (ii) What are the limits of the line integral?



    Thanks guys!



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
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