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Homework Help: Dielectric Constant

  1. May 27, 2010 #1
    1. The problem statement, all variables and given/known data

    A slab of dielectric is now inserted between the plates, the battery still being connected. 7.5μC of additional charge flows from one plate, through the battery and onto the other plate. What is the dielectric constant of the dielectric material?


    2. Relevant equations

    A 1.0μF air-spaced capacitor is connected across the terminals of a 5V battery. What charge will be deposited on the plates? How much energy is stored by the charged capacitor?

    Which i calculated the charge to be 5E-6C

    3. The attempt at a solution

    K = C2/C1

    = 7.5E-6 / 5E-6

    = 1.5

    Is this correct and are there any units?
     
  2. jcsd
  3. May 27, 2010 #2

    Astronuc

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  4. May 27, 2010 #3
    thank you, are my calculations correct or am i missing something?
     
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