$A$ capacitor,$C_1 = 6 \ \mu F$ is charged to a potential difference of $V_0 = 5 \ V$ using a $5 \ V$ battery. The battery is removed and another capacitor,$C_2 = 12 \ \mu F$ is inserted in place of the battery. When the switch $S$ is closed,the charge flows between the capacitors for some time until an equilibrium condition is reached. What are the charges ($q_1$ and $q_2$) on the capacitors $C_1$ and $C_2$ when the equilibrium condition is reached?

  • A
    $q_1 = 15 \ \mu C, q_2 = 30 \ \mu C$
  • B
    $q_1 = 10 \ \mu C, q_2 = 20 \ \mu C$
  • C
    $q_1 = 30 \ \mu C, q_2 = 15 \ \mu C$
  • D
    $q_1 = 20 \ \mu C, q_2 = 10 \ \mu C$

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