A parallel plate air filled capacitor of capacitance ' C ' has plate area ' A ' and the distance between the plates ' d '. When a metal sheet of thickness 
and of the same area ' A ' is introduced between the plates, its capacitance becomes ' C 2 '. The ratio 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
As 
Here A area of plate d is distance between the plates. For dielectric medium and thickness t, capacitance is, 
(i)
for metal)
(From equation (i))
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