A parallel plate capacitor is | CAPACITANCE | JEE-MAIN 2019

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JEE Main 2019

9-01-2019 S1

Question

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

Select the correct option:

A

$\frac{K \varepsilon_0 a^2}{d(K-1)} \ln K$

B

$\frac{K \varepsilon_0 a^2}{d} \ln K$

C

$\frac{\mathrm{K} \varepsilon_0 \mathrm{a}^2}{2 \mathrm{~d}(\mathrm{~K}+1)}$

D

$\frac{1}{2} \frac{\mathrm{~K} \varepsilon_0 \mathrm{a}^2}{\mathrm{~d}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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