Two parallel-plate vacuum capacitors have areas and and equal plate spacing

PHYSICS · Subjective · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

Two parallel-plate vacuum capacitors have areas

A_1

and

A_2

and equal plate spacing

d

. Show that when the capacitors are connected in parallel, the equivalent capacitance is the same as that of a single capacitor with plate area

A_1+A_2

and spacing

d