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Physics

two identical metallic ball spherical shells A and B charges 4Q and -10c are kept a certain distance apart a third uncharged sphere C is first placed in contact with sphere A and then with sphere B the sphere B are bought in contact and then separated find the charge on sphere A and B

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  1. after AC contact, both have charge 2Q.
    Then CA, so both leave with Q charge.
    Then I don't know what <hen with sphere B the sphere B are bought in contact> means.
    The issues is, both spheres brought in contact gives each the same average charge.

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    bobpursley
  2. -Q each

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  3. Both are of same charge that's why they are pushing each other or get separated

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  4. A=C A+C /2 =2Q
    B=C B+C/2=-4Q
    A=B A+B/2= -Q

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