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What are some advantages of parallel circuits in a house?

There are a number of advantages of parallel circuits, as compared to series circuits, in a house. 


  • A parallel connection ensures that all the connected components get the same voltage. All the electrical components have rated voltages and parallel connection ensures that all the equipment are protected, in comparison to a series connection where all the components get different voltage.

  • It is possible to provide individual switches for each component in a parallel connection, thus ensuring that each electrical device is controlled separately. In comparison, a series connection is often termed "all or nothing." This means that all the devices will need to be switched on or off simultaneously and that failure of a component will mean non-functioning of all the devices downstream.

  • Addition of more electrical devices is easier in a parallel connection. In comparison, addition of additional devices increases the resistance of the circuit.

Thus, parallel connections are preferred for homes.


Hope this helps. 

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