Two light bulbs are wired in series and one bulb burns out (opens.) Technician A says that the other bulb will still work. Technician B says that the current will increase in the circuit because one electrical load (resistance) is no longer operating. Which technician is correct?

Question

Quizplus · Accepted Answer

In a series circuit, if one bulb burns out (opens), the circuit is broken and no current flows, so the other bulb will not work. Additionally, the current will not increase because the circuit is open and no current can flow through it at all.

Two Light Bulbs Are Wired in Series and One Bulb