Why are all appliances in a domestic circuit connected in parallel?
To ensure each appliance gets equal potential difference
In a parallel connection, every branch is directly connected between the same two supply wires, so each appliance receives the full mains voltage. This is important because Indian home appliances are designed to operate at 220–240 V; if they were connected in series, the voltage would divide between them and none would work at its rated value.
Parallel connection also allows each appliance to be switched on or off independently, and the failure of one device does not stop the others. Preventing short circuits, reducing switches or saving electricity are not the reason for choosing parallel wiring; the main reason is ensuring the same potential difference across every appliance.
Hence, the answer is To ensure each appliance gets equal potential difference.
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