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Homework Help: Hollow spherical earthed conductor

  1. Apr 23, 2013 #1
    1. The problem statement, all variables and given/known data

    three concentric hollow conducting shells are there . inner most is given charge +q , outer most is given charge -q and middle one is earthed , then find charge appearing on all the surfaces ?

    2. Relevant equations

    v= k q / r , E=k q /r2

    3. The attempt at a solution
    no attempt
  2. jcsd
  3. Apr 23, 2013 #2


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    Hello @mit. Welcome to PF !

    Use the X2 icon for superscripts, which gives E=k q /r2 .

    Another relevant equation/formula is Gauss's Law: ##\displaystyle \ \oint \vec{E}\cdot d\vec{A}=\frac{q_\text{enclosed}}{\epsilon_0}\ . ##

    According to the rules of this Forum, you need to show an honest attempt before we can help you.

    That attempt can be in the form of showing what you know about aspects of the problem.
    In this case, you may want to mention how Gauss's Law might help with this problem.​
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