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Plates of a parallel plate capacitor are...

Plates of a parallel plate capacitor are at a separation 3d. Region between the plates is filled with a metal plate and a dielectric each of thickness d as shown. Which of the following graphs correctly represent variation of potential V with x?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Use
`E =(-dv)/(dr)`
`E_("metal")=0`
`E_("dielectric")=( E)/(k)`
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