Standard Science Primary 5 Systems

Siti has a circuit with two bulbs and two batteries. She notices that when one bulb is removed, the other bulb remains lit. How are the bulbs arranged?

A In series
B In parallel
C In a circular loop
D In a single path
Show Worked Solution

Worked Solution

Step 1: Identify the observation (one bulb removed, the other stays lit). Step 2: Recall that in a parallel circuit, there is more than one path for electricity to flow. Step 3: If one path is broken, the other remains closed.

Correct answer: In parallel

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