Standard Science Primary 5 Systems

Siti sets up a circuit with three identical bulbs. She notices that when one bulb is removed, the other two bulbs remain lit. Which circuit arrangement did she use?

A Two bulbs in series, one in parallel
B All bulbs in series
C It is impossible for the others to stay lit
D All bulbs in parallel
Show Worked Solution

Worked Solution

Step 1: In a parallel circuit, there are multiple paths for electricity. Step 2: Removing one bulb only breaks its specific branch. Step 3: The current continues to flow through the other branches.

Correct answer: All bulbs 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