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A parallel plate capacitor is made of tw...

A parallel plate capacitor is made of two square plates of side 'a' , separated by a distance d much less than a. The lower triangular portion is filled with a dielectric of dielectric constant K, as shown in the figure. Capacitance of this Capacitor is :
a) `(Kin_(0)a^(2))/(2d(K+1))` b) `(Kin_(0)a^(2))/(d(K-1)) In K` c) `(Kin_(0)a^(2))/(d)In K` d) `(1)/(2)(Kin_(0)a^(2))/(d)`

A

a) `(Kin_(0)a^(2))/(2d(K+1))`

B

b) `(Kin_(0)a^(2))/(d(K-1)) In K`

C

c) `(Kin_(0)a^(2))/(d)In K`

D

d) `(1)/(2)(Kin_(0)a^(2))/(d)`

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