JEE Main 2019 — Physics solution | Fundamenthol

JEE Main2019Physics

Q.

A parallel plate capacitor is made of two square plates of side 'a', separated by a distance d(d<<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
$\frac{1}{2} \frac{k \in _{0} a ^{2}}{d}$
B
$\frac{k \in _{0} a ^{2}}{d} I n K$
C
$\frac{k \in _{0} a ^{2}}{d ( K - 1 )} I n K$
D
$\frac{k \in _{0} a ^{2}}{2 d ( K + 1 )}$

Solution

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