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In series, each device creates a voltage drop related to the current and impedence of the device, therefore, the voltage for the devices in the circuit are not the same.

Addition:

Also, in a series circuit, if one device fails, all others in the circuit would also "turn off" - think older strands of Christmas lights.

Lets say for example that all the lights in your house were in a series circuit. When you turned the circuit on, all the lights would come on, but when you turn the switch off, all the lights would also go off (possibly useful when leaving for the day or going to bed). Now, one light bulb blows out...every light in the house would go out, leaving you to try replacing every light in the house until you found the correct one...in the dark.

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Yazmin Sawayn

Lvl 13
2y ago
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Laverna Senger

Lvl 10
1y ago

Every lamp and every appliance in your home has a rated power which can only be achieved at its rated voltage. These values are shown on an appliance's nameplate or is printed on each lamp -e.g. your lamps may be rated at 100 W / 230 V. It is, therefore, essential that every appliance is subject to its rated voltage of 230 V. This can only be achieved by connecting them in parallel with the 230-V supply. (For N America, read '120 V' for '230 V')

A secondary advantage is that, with a series circuit, only one appliance has to stop working, and all the other appliances would stop working too.

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Wiki User

15y ago

Because series circuits only give electricity one path to follow, every device in a series must be working for the entire circuit to work.

To apply this to lighting, if one lightbulb goes out, every light on the circuit goes out. As a result, it would be impractical to design a lighting circuit in a series.

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Wiki User

13y ago

In series, if one bulb goes the others will turn dark too.

In parallell you only lose the broken bulb.

In series you have to match power for all components for good results.

In parallell , all you have to match is voltage.

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Wiki User

13y ago

Because if one circuit went out (a light bulb for instance) all other circuits would fail.

If one light goes out they all go out.

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Wiki User

8y ago

Because that isn't a practical way of doing it.

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Q: Why wouldn't you want the circuits in your home to be series circuits?
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Ammeters are added in series to the circuit to be monitored.


What is prediction when one bulb removed in series connection?

It will all just turn off. Because with a series circuit the power travels through each light bulb in a series (one after another) so if it is interrupted by there being a burned out or removed bulb, the circuit will not be complete and thus not work at all. If you want to see for yourself, most Christmas lights are series circuits, go ahead and take one out.


When is it usually desirable to connect cells in series?

In electronics circuits current is common in series circuits and voltage is common across parallel circuits. LEDs in series draw less current, but require more voltage. Total power remains the same until multiple drivers are introduced in a parallel configuration.


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What is arguably the major disadvantage of a parallel circuit is that as you add more and more things in parallel, the current draw on the source goes up and up and up. If the source cannot supply the current that is "demanded" by the devices all strapped across the so-called "rails" of the circuit, the voltage will (must!) decrease. This could be very bad, as some devices, notably motors, don't like to run at low voltage and can actually be damaged if voltage sags too much and they don't have undervoltage protection. Fortunately, we have a pretty good power grid in many places, and this isn't a problem. Additionally, many devices have undervoltage protection built in, and they'll "trip" and shut down if voltages sag to a preset threshold.


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