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A dielectric slab of thickness t of diel...

A dielectric slab of thickness t of dielectric constant k and a conducting plate of same thickness is inserted between two parallel conducting plates of cross -section area A and charge q and -q as shown in figure.
The distance between two plates is `5t`. The potential -distance `(V-x)` graph will be (Consider potential of positive plate is V_0 and position`x=0`,`E_0` is electric field in free space)

A

B

C

D

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