A series combination of an uncharged capacitor and a resistor is connected to a battery. Just after the combination is connected to the battery,
A) the charge on the capacitor increases and the difference in potential across the resistor decreases.
B) the charge on the capacitor increases and the difference in potential across the resistor stays constant.
C) the charge on the capacitor increases and the difference in potential across the resistor increases.

Question

Quizplus · Accepted Answer

Initially, the capacitor acts like a short circuit because it is uncharged, so the entire voltage of the battery appears across the resistor. As the capacitor charges, the voltage across it increases, reducing the voltage (and thus the potential difference) across the resistor.

A Series Combination of an Uncharged Capacitor and a Resistor