In the circuit shown the cells are ideal and of equal emfs, the capacitance of the capacitor is $C$ and the resistance of the resistor is $R. X$ is first joined to $Y$ and then to $Z$. After a long time, the total heat produced in the resistor will be

121-518

  • A

    equal to the energy finally stored in the capacitor

  • B

    half of the energy finally stored in the capacitor

  • C

    twice the energy finally stored in the capacitor

  • D

    $4$ times the energy finally stored in the capacitor

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