Can you solve this tricky optical illusion of glowing bulbs?

Optical illusions challenge our perception and can deceive our judgment. One Instagram sensation features three light bulbs, with only one connected to a power source. The tangled cables create the illusion, and users have different theories about which bulb is powered. This illusion shows how our minds can be easily deceived when contextual cues are missing or altered. The correct bulb is bulb C.