What is the relationship of current and voltage in a purely capacitive circuit?
A) The current lags the voltage by 90$\degree$.
B) The current leads the voltage by 90$\degree$.
C) The current and voltage are 180$\degree$out of phase with each other.
D) The current and voltage are in phase with each other.

Question

Quizplus · Accepted Answer

In a purely capacitive circuit, the current leads the voltage by 90 degrees. This is because the current flows in a direction opposite to the change in voltage across the capacitor, and it takes time for the capacitor to charge and discharge, causing the current to peak earlier than the voltage.

What Is the Relationship of Current and Voltage in a Purely