A parallel$-$plate capacitor has a capacitance C$0.$ A second parallel$-$plate capacitor has plates with twice the area and twice the sepa$-$ ration.

The capacitance of the second capacitor is most nearly $1.$ C$0.2.1$ C$0.$

$4$

$3.1$ C$0.2$

$4.4$ C$0.5.2$ C$0.$

The resistance R of this component is $1.$ R $=2.$R$=$

$3.$R$=4.$R$=5.$R$=$

$$b$2$ a$2$ l

b$2$ l

l

$($b$2$ a$2)$

l a$2$ l b$2$