Power in AC Circuits Video Lessons

Concept

Problem: Consider the AC circuit in which a capacitor and a lightbulb are connected in series with the AC source. The frequency of the AC source is adjusted while its voltage amplitude is held constant. The lightbulb will glow the brightest at which of the following? A) same at all frequencies B) high frequencies C) low frequencies D) zero frequency (DC)

Problem Details

Consider the AC circuit in which a capacitor and a lightbulb are connected in series with the AC source. The frequency of the AC source is adjusted while its voltage amplitude is held constant. The lightbulb will glow the brightest at which of the following?

A) same at all frequencies

B) high frequencies

C) low frequencies

D) zero frequency (DC)