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What is a key advantage of connecting household electrical devices in parallel rather than in series?

Question
What is a key advantage of connecting household electrical devices in parallel rather than in series?
It reduces the total current from the source
Each device gets the same full voltage and can be switched independently
It requires fewer wires than series
It always uses less power overall
Answer
Each device gets the same full voltage and can be switched independently
Detailed Explanation
Parallel wiring ensures each device receives the full source voltage and can operate or be switched off independently of others.
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