Question

If each capacitor has capacitance $C=1\mu F$, then the equivalent capacitance between $A$ and $B$ is $x$. Find $3x$.

Answer 1

Answer: 8

$C_{\text{eq }}=4\times \frac{2C\times C}{2C+C}$
$=\frac{4\times 2C}{3}=\frac{8C}{3}$