A parallel plate capacitor having cross-sectional area A and separation d has air in between the plates. Now, an insulating slab of same area but thickness d/2 is inserted between the plates as shown in figure having dielectric constant 
. The ratio of new capacitance to its original capacitance will be [NEET 2020]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Capacitance of parallel plate capacitor when medium is air
… (i)
According to second condition,
Capacitance, 
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