Two large parallel plates of area are apart

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two large parallel plates of area

0.010\,\text{m}^2

are

2.0\,\text{mm}

apart. The half of the space nearest one plate is filled with a dielectric of constant

\kappa=4

, while the other half remains air. What is the resulting capacitance of the system? (a) Approximately

354\,\text{pF}

(b) Approximately

71\,\text{pF}

89\,\text{pF}

(d) Approximately

442\,\text{pF}