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Capacitor transfer

  1. Mar 15, 2015 #1
    1. The problem statement, all variables and given/known data
    Hi,

    I have 2 capacitors c1, c2

    c1=.05 uF
    c2=.1 uF

    Q=CV

    c1 is fully charged and connected to a .4V battery in a parallel circuit
    c2 is uncharged

    c2 was unconnected initially to c1 but once joined c2 can receive a charge from c1.

    charge on C1=2 X 10^-8

    what is the % charge transferred from c1 to c2 once joined in the circuit

    2. Relevant equations
    Q=CV

    3. The attempt at a solution

    I thought the answer is 100% but it is 70%.

    I dont get it?
     
  2. jcsd
  3. Mar 15, 2015 #2

    gneill

    User Avatar

    Staff: Mentor

    You'll need to make a genuine attempt before help can be given. Show some calculations and describe your thought process.
     
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