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Question

The capacity of a parallel plate capacitor formed by the plates of same are A is 0.02μF with air as dielectric. Now one plate is replaced by a plate of area 2A and dielectric (K = 2) is introduced between the plates, the capacity is :

  1. 0.04 μF
  2. 0.08μF
  3. 9.91 μF
  4. 2 μF

A
2 μF
B
0.04 μF
C
0.08μF
D
9.91 μF
Solution
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The capacity of a parallel plate capacitor formed by the plates of same are A is 0.02μF with air as dielectric. Now one plate is replaced by a plate of area 2A and dielectric (K = 2) is introduced between the plates, the capacity is :

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