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Simple physics question about electrical charge

  1. Aug 13, 2016 #1
    • Member advised to use the homework template for posts in the homework sections of PF.
    The electric field inside an uncharged metal sphere is initially zero.
    If the sphere is the positively charged, the field at the center of the sphere will be....?
     
  2. jcsd
  3. Aug 13, 2016 #2
    Metal is a conductor, so the charges are free to move wherever they want inside it. They will rearrange themselves to cancel out any field inside the sphere. So at equilibrium the electric field inside a conductor is zero
     
  4. Aug 13, 2016 #3
    Does the answer change if the sphere is hollow?
     
  5. Aug 13, 2016 #4
    No it doesnt matter, The same thing will happen producing a zero electric field inside the hollow sphere
     
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