Standard Science Primary 5 Systems

Study the circuit diagram. If Bulb B1 fuses, which other bulbs will also go out?

A B2 only
B B3 only
C Both B2 and B3
D None
Show Worked Solution

Worked Solution

Step 1: Analyze the circuit arrangement (Parallel). Step [2-9]: Each bulb is on a separate branch. Step [2-9]: If B1 fuses, the other branches remain closed circuits, so B2 and B3 stay lit.

Correct answer: None

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