1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

EM Problem: Floating Conducting Cylinder

  1. Feb 16, 2013 #1
    1. The problem statement, all variables and given/known data

    See figure attached.

    2. Relevant equations



    3. The attempt at a solution

    Originally I have solved this problem using Gauss's law by defining a gaussian surface in the form of a cylinder around the floating cylinder to get the electric field distribution underneath the cylinder to ground.

    The result I obtained was,

    [tex]V(y) = \frac{Q_{pul}}{4 \pi \epsilon_{0}}\left( \frac{ln(d-y)}{d} \right)[/tex]

    but since we aren't told what Qpul is we cannot plot the variation of the voltage.

    My professor suggested I try solving this problem using image theory and laplaces equation in cylindrical coordinates in order to avoid Qpul.

    Can someone explain to me how this done?

    Thanks again!
     

    Attached Files:

    • EMQ.jpg
      EMQ.jpg
      File size:
      17 KB
      Views:
      39
  2. jcsd
  3. Feb 18, 2013 #2

    rude man

    User Avatar
    Homework Helper
    Gold Member

     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: EM Problem: Floating Conducting Cylinder
Loading...