Advanced Science Primary 6 Energy

Three bulbs, A, B, and C, are connected in series. If bulb B fuses, what will happen to bulbs A and C?

A Both bulbs A and C will remain lit.
B Only bulb C will remain lit.
C Only bulb A will remain lit.
D Both bulbs A and C will go out.
Show Worked Solution

Worked Solution

Step 1: Identify the circuit type (Series). Step 2: A fused bulb acts like an open switch, breaking the only path for current. Step 3: No current can flow to any other bulb in the series.

Correct answer: Both bulbs A and C will go out.

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