1. Limited time only! Sign up for a free 30min personal 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!

Work done by electric force on a point charge in a cylinder?

  1. Feb 10, 2014 #1
    1. The problem statement, all variables and given/known data

    A point charge q is moved inside a hollow charged cylinder of radius R. The initial point A is a distance (3/4)R from the center and the final point B is at the center of the sphere. How much work is done by the electric force in this case?

    2. The attempt at a solution

    I am thinking that no work is done because its equipotential, but I am not certain its equipotential.
     
  2. jcsd
  3. Feb 10, 2014 #2

    SammyS

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper
    Gold Member

    Hello cesaravila. Welcome to PF !

    In one place you mention a cylinder. In another you mention a sphere.

    Which is it ?
     
  4. Feb 10, 2014 #3
    It is a cylinder. The final point B is at the center of the cylinder.
     
  5. Feb 10, 2014 #4

    haruspex

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    Is the cylinder a conductor? A uniformly charged non-conductor? Any mention of the charge or charge density?
     
  6. Feb 11, 2014 #5

    It is a charged insulator.
     
  7. Feb 11, 2014 #6

    haruspex

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    Assuming it is a uniform charge and a long cylinder, I agree the potential should be constant inside.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Work done by electric force on a point charge in a cylinder?
Loading...