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 $.....\mu C$.
  • A$4$
  • B$2$
  • C$3$
  • D$1$
JEE MAIN 2023, Medium
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