Standard Science Primary 5 Systems

Study the circuit diagram below. If Bulb B is fused, which other bulbs will remain lit?

A Only Bulb A
B Only Bulb C
C Bulbs A and C
D None of the bulbs
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Worked Solution

Step 1: Identify the circuit arrangement (Series). Step 2: In a series circuit, there is only one path for electricity to flow. Step 3: If Bulb B is fused, the circuit becomes open at that point. Step 4: No current can flow to any bulb in the circuit.

Correct answer: None of the bulbs

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