Standard Science Primary 5 Systems

Siti set up two circuits, A and B, using identical bulbs and batteries. In Circuit A, the bulbs are arranged in series. In Circuit B, the bulbs are arranged in parallel. Which of the following is true?

A The bulbs in Circuit B are brighter than in Circuit A.
B The batteries in Circuit B will last longer than in Circuit A.
C If one bulb in Circuit A fuses, the other stays lit.
D The bulbs in Circuit A are brighter than in Circuit B.
Show Worked Solution

Worked Solution

Step 1: Identify circuit types (Series vs Parallel). Step 2: In parallel, each bulb receives full voltage from the battery, making them brighter. Step 3: In series, voltage is divided among bulbs. Step 4: Final Answer: Parallel bulbs (B) are brighter.

Correct answer: The bulbs in Circuit B are brighter than in Circuit A.

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

Start Free Trial — 7 Days Free