Standard Science Primary 6 Energy

Why are household lights usually connected in parallel?

A To allow other lights to stay on if one bulb fuses.
B To make all lights dimmer.
C To use less wire.
D To prevent the circuit from being too strong.
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Worked Solution

Step 1: Consider the downside of series: one break stops everything. Step 2: In parallel, each bulb has an independent path. Step 3: If one bulb fuses, current still flows through the others.

Correct answer: To allow other lights to stay on if one bulb fuses.

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