Standard Science Primary 6 Energy

Siti set up a circuit with two identical bulbs. She noticed that if one bulb was removed, the other bulb remained lit. Which of the following describes her circuit?

A The circuit is an open circuit.
B The bulbs are arranged in parallel.
C There is only one battery in the circuit.
D The bulbs are arranged in series.
Show Worked Solution

Worked Solution

Step 1: Identify the observation (one bulb stays lit when the other is removed). Step 2: Recall that in parallel circuits, there are multiple paths for current. Step 3: If one path is broken, current can still flow through the other path. Step 4: Final Answer: Parallel arrangement.

Correct answer: The bulbs are arranged in parallel.

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