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Question

The capacitance of an air filled parallel plate capacitor is 8pF. The separation between the plates is doubled and the space between the plates is then filled with wax giving the capacitance a new value of 80×1012 farads.
The dielectric constant of wax is
  1. 5.0
  2. 10.0
  3. 8.0
  4. 4.2

A
8.0
B
5.0
C
10.0
D
4.2
Solution
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