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Q. If charge on $3\, \mu F$ capacitor is $3\, \mu C$. The charge on capacitor of capacitance $C$ in $\mu C$ is _____.Physics Question Image

Electrostatic Potential and Capacitance

Solution:

Potential difference across $3 \,\mu F = PD$ across $6\, \mu F =1\, V$
$\Rightarrow$ Charge on $6\, \mu F =6\, \mu C$
$\Rightarrow$ Total charge on combination of $6\, \mu F$ and $3\, \mu F =9 \,\mu F$
Therefore charge on $C=9 \mu C$