Question

only parallel circuits are employed in our houses why

Answer 1

In a house there are lot of appliances which need to be run independently.So,parallel circuits are used in a home.In parallel,no appliance will affect the working of another,They will be independent to work.

Answer 2

hello friend .

only parallel circuits are employed in our houses :-
☆because in parallel circuit if any short circuit occurs it will not affect any other .
☆in parallel circuits there is a low level of resistance is occurred.
☆parallel circuit provide a high voltage of current .
it may help you .