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 d/2 and of the area 'A' is introduced between the plates, its capacitance become 'C2'. The ratio C2 : C1, is - VgyanHub

Question:

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 d/2 and of the area ‘A’ is introduced between the plates, its capacitance become ‘C₂’. The ratio C₂ : C₁, is

Options :

(a) 3:1
(b) 2:1
(c) 3:2
(d) 4:1

Answer :

(b) 2:1

Answer Steps :

step 1

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