Physics

Problem

An electronics designer needs a parallel-plate capacitor of

12\,\text{pF}

. The plates will have area

25\,\text{cm}^2

and will be filled with a dielectric material of constant

\kappa=2.5

. What plate separation

d

should the designer specify? a)

0.74\,\text{mm}

1.8\,\text{mm}

4.6\,\text{mm}

0.46\,\text{mm}