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Two parallel plate of area A and separat...

Two parallel plate of area A and separated by two different dielectric as shown in the figure. The net capacitance is

A

`(4epsilon_0A)/(3d)`

B

`(3epsilon_0A)/(4d)`

C

`(2epsilon_0A)/(d)`

D

`(epsilon_0A)/(d)`

Text Solution

Verified by Experts

The correct Answer is:
A
`1/C=1/C_1+1/C_2=(d//2)/(Aepsilon_0xx1)+(d//2)/(Aepsilon_0xx2)`
`implies1/C =(2d+d)/(4A epsilon_0)=(3d)/(4A epsilon_0)`
`C=4/3 (A epsilon_0)/d`
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