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 remained lit. How were the bulbs arranged?

A Both bulbs were in series.
B Both bulbs were in parallel.
C One bulb was fused.
D The circuit was open.
Show Worked Solution

Worked Solution

Step 1: Identify the observation (one bulb remains lit after removal of the other). Step 2: Recall circuit properties. In a parallel circuit, there is more than one path for electricity. Step 3: Removing one branch does not break the other branch. Final Answer: Parallel.

Correct answer: Both bulbs were in parallel.

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