In an ac circuit, the current in a capacitor
A) leads the voltage by 90°.
B) lags the voltage by 90°.
C) is in phase with the voltage.
D) leads the voltage by π radians.
E) lags the voltage by π radians.

Question

Quizplus · Accepted Answer

In an AC circuit, the current through a capacitor leads the voltage across the capacitor by 90° due to the capacitor's charging and discharging behavior in response to the alternating current.

In an Ac Circuit, the Current in a Capacitor