Five incandescent lightbulbs are connected in series. One of the bulbs burns out, causing the current through the other bulbs to
A) increase.
B) decrease.
C) remain the same.
D) drop to zero.

Question

Quizplus · Accepted Answer

When one bulb in a series circuit burns out, it breaks the circuit, causing the current to drop to zero. This is because a series circuit requires a complete path for current to flow, and a burned-out bulb interrupts this path.

Five Incandescent Lightbulbs Are Connected in Series