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Capacitance of a particle plate capacito...

Capacitance of a particle plate capacitor having plate seperation d is C. A dielectric having width 3/4 dielectric constant k is filled between plates. Find new capacitance

A

a. `C/(1+K)`

B

b. `4C/(1+3K)`

C

c. `3C/(1-2K/3)`

D

d. `7C/(1+2K)`

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