Standard Science Primary 6 Energy

Siti set up a circuit with two identical bulbs. She noticed that when one bulb was removed, the other bulb went out. What can she conclude about the circuit?

A The bulbs were arranged in series.
B The battery was flat.
C The bulbs were arranged in parallel.
D There was a short circuit.
Show Worked Solution

Worked Solution

Step 1: In a series circuit, there is only one path for current to flow. Step 2: Removing one component breaks the entire circuit. Step 3: Therefore, the other bulb goes out.

Correct answer: The bulbs were arranged in series.

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