Question

What is the capacitance of a parallel plate capacitor with a dielectric medium of dielectric constant \[K\]?

Options

• \[C=\frac{\varepsilon_0 A}{Kd}\]

• \[C=\frac{K\varepsilon_0 A}{d}\]

• \[C=\frac{\varepsilon_0 d}{KA}\]

• \[C=\frac{Kd}{\varepsilon_0 A}\]

Answer 1

Inserting a dielectric multiplies the capacitance by the dielectric constant \[K\]. The resulting expression is \[C=\frac{K\varepsilon_0 A}{d}\].