In the given circuit, $C _1=2\,\mu F , C _2=0.2\,\mu F$, $C _3=2\,\mu F , C _4=4\,\mu F,$ $C _5=2\,\mu F , C _6=2\,\mu F$, the charge stored on capacitor $C _4$ is $.....\mu C$.
JEE MAIN 2023, Medium
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$C _{ eq }=0.5\,\mu F$
$Q =0.5 \times 10=5\,\mu C$
$Q ^{\prime}=\frac{5\,\mu C \times 0.8}{0.8+0.2}=4\,\mu C$
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