Question

Why do we use a parallel arrangement of bulbs for lighting?​

Answer 1

When several bulbs are connected in parallel they emit the same amount of light as when they are connected individually in the circuit while bulbs connected in series emit less light than when connected individually.

Answer 2

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When there are two or more bulbs in a circuit, they can be arranged in series or parallel. When bulbs are arranged in series, there is only one pathway that electricity can flow through the bulbs. When bulbs are arranged in parallel, there is more than one possible pathway that electricity can flow through the bulb