Question

What is the equivalent capacitance of the system of capacitors between $A$ and $B$ ?

Answer 1

(1) $\frac{CC}{2C}=\frac{C}{2}$

(2) $C+\frac{C}{2}=\frac{3C}{2}$

$C^{\prime }=\frac{\frac{3C}{2}\times C}{\frac{3C}{2}+C}$

$=\frac{3C}{5}$

$\Rightarrow \frac{3C}{5}+C=\frac{8C}{5}=Ceq$

All different steps of the solution is shown in the figure

All different steps of the solution is shown in the figure