For changing the capacitance of a given parallel plate capacitor, a dielectric material of dielectric constant K is used, which has the same area as the plates of the capacitor. The thickness of the dielectric slab is 
d where 'd' is the separationbetween the plates of parallel plate capacitor. The new capacitance (C') in terms of original capacitance is 
given by the following relation:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2021
and C 2 in series
i.e., 
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