Correct Option
Domestic electrical wiring is fundamentally a parallel connection. This configuration ensures that all appliances connected across the main supply receive the same voltage, typically 220V in India. A key advantage of parallel wiring is the independent operation of each appliance; if one appliance is switched off or malfunctions, the others continue to function without interruption. Furthermore, each device draws the specific current it requires, contributing to efficient and safe power distribution throughout the household.
Incorrect Options
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Option (a): In a series connection, all components are connected end-to-end, forming a single path for current. If one appliance fails or is switched off, the entire circuit breaks, stopping the flow of current to all other appliances. This makes series wiring impractical and unsuitable for domestic use.
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Option (c): While complex electrical systems might incorporate elements of both series and parallel connections for specific purposes, standard domestic wiring for power distribution to appliances is predominantly parallel. A combination would introduce unnecessary complexity and negate the primary benefits of parallel wiring for general household use.
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Option (d): This statement is incorrect. Electrical wiring within individual rooms and throughout the entire house follows a parallel connection. This ensures consistent voltage supply and independent operation of appliances across all sections of the dwelling, consistent with the principles of domestic electrical safety and functionality.