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Capacitance of this capacitor

  1. Apr 19, 2010 #1
    1. The problem statement, all variables and given/known data

    A capacitor stores 0.12 J energy when connected to 6 V voltage source. What is the capacitance of this capacitor? (UNIT:uF)

    I am just not sure how to go about answering this question.

    The formula for capacitance is C=(Q/V), but I am not sure how to incorporate energy into that formula.

    Any help would be appreciated

    Thanks
     
  2. jcsd
  3. Apr 19, 2010 #2
    E=1/2c*v*v.
     
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