Standard Science Primary 6 Energy

Siti set up a circuit with two bulbs and two batteries. She noticed that when one bulb was removed, the other bulb remained lit. How were the bulbs arranged?

A The bulbs were arranged in series.
B The bulbs were arranged in parallel.
C One battery was flat.
D The circuit was open.
Show Worked Solution

Worked Solution

Step 1: Identify the observation (one bulb stays lit when the other is removed). Step 2: Recall that in a parallel circuit, there is more than one path for electricity to flow. Step 3: Removing one bulb in a parallel branch does not break the path for the other bulb.

Correct answer: The bulbs were arranged in parallel.

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free