In absence of dielectric medium, capacity of a parallel plate capacitor is C 0 . A sheet of dielectric constant k and thickness of one third of the plate separation is inserted between the plates. If new capacity is C, then:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Without dielectric, 
For partial insertion of dielectric,
On putting 
, we get 
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