Standard Science Primary 5 Systems

Study the circuit diagram. If Bulb B1 fuses, which of the other bulbs will continue to light up?

A Bulb B3 only
B Bulb B2 only
C None of them
D Bulbs B2 and B3
Show Worked Solution

Worked Solution

Step 1: Identify the arrangement (Parallel). Step [2-9]: In parallel, each bulb has its own path to the battery. Step [2-9]: If one bulb fuses, the other branches remain closed circuits.

Correct answer: Bulbs B2 and B3

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