Advanced Science Primary 6 Energy

If Bulb X in this parallel circuit fuses, what happens to Bulb Y?

A Bulb Y remains lit with the same brightness.
B Bulb Y becomes dimmer.
C Bulb Y becomes brighter.
D Bulb Y goes out.
Show Worked Solution

Worked Solution

Step 1: Identify the circuit (Parallel). Step 2: In parallel, current has multiple paths. Step 3: A break in one branch does not affect the other branch.

Correct answer: Bulb Y remains lit with the same brightness.

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

Start Free Trial — 7 Days Free