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Q.
Find equivalent capacitance across $A B$ (all capacitances in $\mu F$ ).
Electrostatic Potential and Capacitance
Solution:
Circuit can be redrawn as:
Now $V_{x}=V_{y}$, Since $\frac{30}{6}=\frac{10}{2}$
$C_{e q}=\left(\frac{30 \times 10}{30+10}\right)+\left(\frac{6 \times 2}{6+2}\right)$
$=9\, \mu F$