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Parallel, of course. Each light has to receive the full voltage - 110 or 220 Volts, depending on the region. Also, if you disconnect one light, the others should continue working. This wouldn't be the case with a series circuit.

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14y ago
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14y ago

Christmas tree lights are conducted in series. This can be observed in two ways:

1) Simply the way they look. Resistors connected in series are lined up and share the same wire path, as opposed to resistors in parallel, which branch out and take alternate routes before reattaching to the battery.

2) By doing the math for voltage. The average battery has a significantly higher voltage than the voltage a single Christmas tree bulb is designed to use. When resistors are connected in parallel, each parallel branch must drop the entire voltage of the battery. This would mean that each bulb received the full voltage of the battery, which would likely make it explode. Since the resistors are in series, the voltage of the battery is divided by the number of lights and each one drops a suitably smaller voltage.

One area of confusion, however, arises from the fact that every Christmas tree bulb doesn't go out when one does, and the failure of a single resistor in series should cause the entire circuit to malfunction. Christmas tree lights are uniquely designed to solve this problem by reconnecting over a single failed resistor, keeping the circuit intact despite its series design.

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13y ago

You can have both. If you unplug a bulb, and the rest of the lights go out, it is a series circuit. If you unplug a bulb, and the rest of the lights stay on, it is a parallel circuit.

Christmas lights are an example of both series and parallel - The bulbs are typically made for 2.5 volts, and wired in series strings of 50 bulbs. If you have bought strings longer than 50, and ever had a bulb burn out, you should be aware that only part of the string turns off - this is the series group the burned out bulb belongs to. If you have a string of 100 lights, there are two series groups of 50 lights in parallel with each other.

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12y ago

The ones we had when I was a child were certainly in series. If a bulb went the whole string went out. It was always difficult to find which bulb because you had to screw a new one into each socket one after the other until you found the right one. If more than one bulb had gone at once, you needed a meeter to test each bulb because the replacement technique did not work - setting up for Christmas was endless fun!!

Obviously, also the whole string worked at mains voltage (there was no transformer).

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15y ago

If one light going out causes them all to go out, that is a series circuit. If one light goes out and the rest remain lit, that is a parallel circuit.

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Q: Do you think Christmas lights are example of parallel or series bulbs in a circuit?
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Why are fairy decorative lights always connected in parallel?

If you mean Christmas lights; that was before. Nowadays Christmas lights are connected in parallel.


Are fluorescent lights on a parallel circuit or a series circuit?

series circuit


How do you make a circuit so the lights can be turned on and off separatley?

To design a circuit so that lights can be turned on and off separately, we connect the circuit in parallel.


What is the 3 advantages of parallel circuit over a series circuit?

The advantages of parallel circuits are that if one component, e.g. light bulb fails, the other ones will keep functioning. The problem with series circuits are that if one light bulb fails, the others are also affected.


When do you use Parallel circuit?

A parallel circuit is used when the current through several components needs to be independent of each other. The simplest example is that of lights in a home. The lights with their switches are wired in parallel. Turning on one light does not affect any others and similarly, turning a light off does not turn off any others. Each light is supplied with the same voltage which does not change even if other lights are turned on or off. A series circuit is one where the current flows through one component and then through a second component and so on. If the current flow through one component is changed, it is also changed in all the others in the series circuit. A string of Christmas lights is a good example. Removing one bulb from the string of lights will stop all the others operating because there is no current flowing through any of them.

Related questions

What is a sentence using parallel circuit?

My dad created a parallel circuit when he plugged in the Christmas lights.


What can you use a parallel circuit for?

Christmas tree lights, this parallel circuit prevents one bulb failure from turning off the whole string of lights.


Would you use Series or parallel circuit for Christmas lights?

Yes you would use a serial circuit You would use parallel circuit lights for a Christmas tree because if you used series circuit lights, and one of the bulb blows, the rest of the bulbs will go out. But with parallel circuit lights, if one bulb blows the rest of the bulbs will remain their brightness.


How are miniature Christmas tree lights wired?

Generally in a parallel circuit


Are fairy lights on Christmas trees parallel or series circuit?

both


List three uses for a series circuit and three uses for a parallel circuit?

Christmas lights , house alarm , and house Christmas lights , house alarm , and house


Where are parallel circuits used?

Parallel circuits are used when there are many electronics on the same circuit, such as Christmas lights, for example. If they were on a series circuit, if one bulb went out all of them would go out. In your home, parallel circuits allow you to turn any electrical device on or off, independently of the others.


What is an example of a parallel series circuit in your home?

Two receptacles on a branch circuit, each in parallel, both in series with the circuit breaker. The blower motor, ignition transformer, and oil solenoid on an oil burner, each in parallel, all in series with the acquastat (water temperature control switch).


What would be the advantage of a parallel circuit?

Consistent voltage. One of the advantages of parallel circuits is the fact that they ensure that all components in the circuit has the same voltage as the source. All bulbs in a string of lights, for example, will have the same brightness. Another well popularized advantage of the importance of a parallel circuit is the case of Christmas tree lights. At one point in time, if one light on the string of lights on the tree burnt, all the lights would go out and you would have to look one by one to see which one was the cause. This is because it was - guess what - a series circuit! In our modern parallel circuits on Christmas trees if a light goes out the rest will still light.


What happens to a parallel circuit if one light fails?

A parellel circuit does not fail if one light dies. In a series circuit, it's broken if one light fails (like the old style Christmas lights). See link for example...


Electric lights will not come on unless their electrical circuit is a parallel circuit?

No, electric lights come in both parallel and series circuit.


Why are fairy decorative lights always connected in parallel?

If you mean Christmas lights; that was before. Nowadays Christmas lights are connected in parallel.