A parallel-plate capacitor is designed to have a capacitance of

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

220\,\text{pF}

. The plates each have an area of

20\,\text{cm}^2

and are filled with a dielectric material of constant

\kappa = 2.4

. Determine the required plate separation in millimetres.