When the switch is closed in the circuit as shown in the following figure, the light bulb become bright in an inperceptibly short-time interval, and then gradually goes out. We interpret this to mean that

Options

A. Electrons on the negative terminal of the battery reach a capacitor plate almost instantaneously
B. Electrons from a capacitor plate travel to the positive terminal of the battery almost instantaneously
C. The capacitor must already have had charge on its plates
D. The battery establishes an electric field in the circuit almost instantaneously

Answer

D