In a series electrical circuit, what happens to the other bulbs if one bulb fails?

Explanation

In a series circuit, all components share a single path for current, so if one bulb burns out or is removed, the circuit is broken and every bulb in that loop stops working. This differs from a parallel circuit, where each component has its own separate path, so one failing bulb does not affect the others. Old-style string lights often used series wiring, which is why the whole string would go dark if a single bulb failed. Explore more Everyday Science MCQs on mcqstutor to keep practicing.