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Find the charge density of a ring.

  1. May 15, 2012 #1
    I have no clue how to start this problem. The professor wrote:

    "Write the charge density of a ring."

    ...and that's it.


    I know it would probably be ρ as a function of the radius. But I don't know how to move forward. I was looking through the early section in Griffith's E&M Ch. 3 (That's where we are now) and it's roughly covering Laplace's Equation...so I think I need to start there, but I dunno.

    I'm confused because it doensn't ask for a specific point of reference like you would ordinarily get in a general E&M problem.
     
  2. jcsd
  3. May 15, 2012 #2

    vela

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    I suggest you ask the professor or a classmate for clarification. You're obviously missing some context for that statement.
     
  4. May 15, 2012 #3
    That's what I'm thinking. I've been anxiously pulling at my eyebrows stressing over this. Thanks for showing me that I'm not totally blind to something.
     
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