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Why is parallel arrangement used in dome...

Why is parallel arrangement used in domestic wiring ?

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Parallel arrangement used in domestic wiring because of the following
(i) All the appliances works at the same voltage as that of the electric supply.
(ii) If one of the appliances is out of order, e.g. if a bulb get fused, all other appliances keep on working as the circuit is not broken in parallel arrangement of devices.
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