A pure capacitor is connected to an AC power supply. In this circuit, the current
A) leads the voltage by 90°.
B) lags the voltage by 90°.
C) lags the voltage by 180°.
D) is in phase with the voltage.
E) none of the given answers

Question

Quizplus · Accepted Answer

In an AC circuit with a pure capacitor, the current leads the voltage by 90 degrees due to the phase difference introduced by the capacitive reactance.

A Pure Capacitor Is Connected to an AC Power Supply