Advanced Science Primary 5 Systems

In a parallel circuit with three identical bulbs, if one bulb fuses, what happens to the brightness of the other two bulbs?

A They become dimmer.
B They remain at the same brightness.
C They will also fuse.
D They become brighter.
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Worked Solution

Step 1: In a parallel circuit, each branch is independent. Step [2-9]: Each branch receives the same voltage from the battery. Step [2-9]: A break in one branch does not affect the voltage or current in the other branches.

Correct answer: They remain at the same brightness.

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