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Question

In a parallel plate capacitor, the capacity increases if:
  1. area of the plate is decreased
  2. distance between the plates is increases
  3. dielectric constant decreases.
  4. area of the plate is increased

A
dielectric constant decreases.
B
area of the plate is decreased
C
distance between the plates is increases
D
area of the plate is increased
Solution
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In a parallel plate capacitor, the capacity of capacitor
C=Kε0Ad i.e., CA
The capacity of capacitor increases if area of the plate is increased.

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