After a capacitor is fully charged, the total number of electrons it contains
A) is much less.
B) is slightly less.
C) is slightly greater.
D) is much greater.
E) remains unchanged.

Question

Quizplus · Accepted Answer

When a capacitor is fully charged, the total number of electrons it contains remains unchanged. This is because a capacitor stores energy by separating positive and negative charges on its two plates, but it does not create or destroy electrons in the process. The electrons simply move from one plate to the other, maintaining the overall electron count.

After a Capacitor Is Fully Charged, the Total Number of Electrons