Standard Science Primary 6 Energy

Siti set up the circuit shown below. If one bulb fuses, the other two bulbs remain lit. Which circuit arrangement did she use?

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

Worked Solution

Step 1: Identify the condition (one fused, others stay lit). Step 2: Recall that parallel circuits provide multiple paths for current. Step 3: In a parallel arrangement, a break in one branch does not affect others.

Correct answer: All bulbs in parallel

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