system
Given the following post, respond as if you're commenting on Reddit:
human
eli5 Why do devices still briefly have power when unplugged?

Say you unplug your tv, the standby light will remain on a few seconds before going off?
gpt
Electronics use components called capacitors to regulate voltage. These capacitors act like little, short-life batteries - which still hold a charge when the power source is disconnected. The stored power then drains out and keeps other components powered for a short period of time.