$A$ capacitor of capacitance $C$ is connected in series with a resistance $R$ and a $DC$ source of $emf$ $E$ through a key. The capacitor starts charging when the key is closed. By the time the capacitor has been fully charged,what amount of energy is dissipated in the resistance $R$?

  • A
    $\frac{1}{2} C E^{2}$
  • B
    $0$
  • C
    $C E^{2}$
  • D
    $\frac{E^{2}}{R}$

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