A parallel plate capacitor with air between the plates has a capacitance of 10 pF. The capacitance, if the distance between the plates is reduced by half and the space between them is filled with a substance of dielectric constant 4 is.
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
…(i)
and 
( 
K= 4)
(using (i))
= 80 pF
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