Type of Electrical Connection:
There are basic two types of connections used in electric circuit, Series and Parallel. All other circuits are combination of these two basic types of connections.Series Connection:
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In series connection one leg of one component is connected to one leg of second
component, similarly one leg of second component is connected with one leg of
third component. If one component fails,
the current stops flowing in whole circuit as the path breaks. Diagram shows
three bulbs connected in series. In first figure all bulbs are good and in
second diagram one bulb is fuse or defective, hence no current flow in whole
path as path is broken at one place. Hence all bulb stops glowing. In a series
connection, same current flow in each bulb or component.
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| Series Connection with one Faulty component |
Parallel Connection:
One terminal of all components are connected together and second terminal of all are connected together. In this case current is divided in each leg and it can be same or different depending on capacity of bulb. In case any component or bulb is fuse/failed, current still flow in rest of the components through available path. All our home appliances are in parallel connection to our main supply, that’s why if one device is switched OFF or faulty, still the other device continue to work. If they wold be in series, failure of one light bulb in home, will turn off all the lights, fans and other equipment.
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