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Grade 9 science: induction

  1. May 5, 2009 #1
    1. The problem statement, all variables and given/known data

    There was an experiment an here is the purpose: to determine re charge that is induced on a metal leaf electroscope when it is approvhed by known charges.



    2. Relevant equations

    I've answered all my analyisis questions except for this one: explain how you were able to determine the charge on the ebonite rod and the acetate rods.


    3. The attempt at a solution

    I knew that If I rubbed fur on the ebonite rod, it would become negative and if I rub silk on the acetate rod, it will become positive, but I have no clue why. It's worth 2 marks that I really need. Thanks for your help inadvamced!!
     
  2. jcsd
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