Standard Science Primary 6 Energy

Siti set up the circuit below. When one bulb was removed, the other two bulbs remained lit. Which of the following describes the arrangement of the bulbs?

A All bulbs are in parallel.
B The bulbs are disconnected.
C At least two bulbs are in parallel.
D All bulbs are in series.
Show Worked Solution

Worked Solution

Step 1: Understand that in a series circuit, removing one component breaks the path for current. Step 2: In a parallel circuit, multiple paths exist. Step 3: If other bulbs stay lit, they must be on a different branch from the removed bulb. Step 4: Final Answer: At least two bulbs are in parallel.

Correct answer: At least two bulbs are in parallel.

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