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(D) When a capacitor is connected to a constant potential difference source (battery),the potential difference across the plates becomes equal to the

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$A$ and $C$ both

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(D) When a capacitor is connected to a constant potential difference source (battery),the potential difference across the plates becomes equal to the source voltage $V$ almost instantaneously.Since $Q = CV$,the charge $Q$ is stored in the capacitor.However,the energy drawn from the source is $Q V$,while the energy stored in the capacitor is $\frac{1}{2} Q V$. The remaining $\frac{1}{2} Q V$ is dissipated as heat in the connecting wires.Therefore,option $A$ is correct as the charge is stored,and option $C$ describes the transient charging process where the potential difference approaches the source voltage.

When a parallel plate capacitor is connected to a source of constant potential difference,

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