Find charge on the capacitor after $1$ sec of opening the switch at $t=\infty ?$
  • A$20 e ^{-10} \mu C$
  • B$25 e ^{-10} \mu C$
  • C$30 e ^{-10} \mu C$
  • D$35 e ^{-10} \mu C$
AIIMS 2019, Diffcult
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