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Yes. Each light bulb is just another resistor in a series circuit, where you add the individual resistances to get the total resistance (unless the bulbs are set up in parallel, where adding a second identical light bulb would cut the total resistance in half).

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Wiki User

15y ago
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Wiki User

14y ago

A bulb with higher resistance will make the bulb be dimmer. The light output of a bulb is related to the power rating of that bulb. P=(I^2)xR. Power is equal to the current squares times the resistance. By increasing the resistance with a constant voltage source will reduce the current. By using that equation you can see that even though your resistance is increased your current is reduced exponentially.

R=10 ohms

Ex.

V=120v

R=10 ohm

I=V/R

120/10 = 12 amps

P=(12^2)x10

=1440 watts

R=20 ohms

I=120/20

=6 amps

P=(6^2)x20

=720 watts

You can see that increasing your resistance will reduce your power output which will reduce the brightness of you bulb.

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Jayodxncer !!

Lvl 2
3y ago

yes

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Dixie Reilly

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3y ago
great answer, thxx!
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Stanley Brakus

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3y ago
great answer tyy
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Evie Stiedemann

Lvl 1
3y ago
are you sure?

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Q: If their is more bulbs in a circuit does the resistance increase?
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Continue Learning about Engineering

What happens to the current flowing in the ring main as more bulbs are turned on at night?

As more light bulbs are added in a series circuit, the effective resistance of the circuit increases. That causes the current leaving the source to decrease.


In a parallel circuit adding more bulbs will increase?

It will decrease the effective load resistance across the power supply terminals, increase the total current through the load, and increase the total power required to be supplied by the power supply.


What happens when you add a resistor to a series circuit with a light bulb?

As you add more bulbs to a series circuit that means that the bulbs are in series to one another, therefore the total resistance is the sum of the individual resistance of the bulbs. If you add bulbs of the same resistance,then the rate at which the resistance changes will increase in a constant manner provided the current source is not altered. For instance if the bulb you are using is rated 20v,60w, then the current passing via the bulbs in series is the square of the voltage divided by the power in this case the current is approximately 7amperes.


Will each of two bulbs connected in parallel be as bright as a single bulb connected to a cell?

The brightness of an incandescent light bulb depends on the voltage applied across its terminals. Connecting one, two, or five light bulbs of the same rating to a battery in parallel will provide the same brightness from each bulb.


What will happen if more bulbs are added to a circuit with one cell?

YESAnswerNot necessarily. The current depends on the potential difference and the load resistance. If you connect cells in parallel, you do not effect its voltage or the load, so the current is unaffected (although the battery's current 'capacity' will increase). If you connect the cells in series, then you will increase the voltage and the current will increase.

Related questions

Does amperage increase as the number of bulbs in a parallel circuit increase?

In a parallel circuit, the total amperage increases as the number of bulbs increases because the current has multiple paths to flow through. Each bulb offers a separate path that allows more current to flow. In a parallel circuit, adding more bulbs decreases the total resistance, allowing more current to pass through.


What happens to the current flowing in the ring main as more bulbs are turned on at night?

As more light bulbs are added in a series circuit, the effective resistance of the circuit increases. That causes the current leaving the source to decrease.


When more light bulbs are added in parallel to a circuit what happens to the total resistance of the circuit?

When more light bulbs are added in parallel to a circuit, the total resistance of the circuit decreases. This is because in a parallel circuit, the reciprocal of the total resistance is equal to the sum of the reciprocals of the individual resistances. More paths for current to flow mean less overall resistance in the circuit.


What happens to the resistance in a parallel circuit when more light bulb is added?

When more light bulbs are added to a parallel circuit, the total resistance decreases because each additional bulb provides an additional pathway for current to flow. This results in an increase in the overall current flowing through the circuit, as well as an increase in the total power consumed by the circuit.


In a parallel circuit adding more bulbs will increase?

It will decrease the effective load resistance across the power supply terminals, increase the total current through the load, and increase the total power required to be supplied by the power supply.


How do you increase resistance?

Since resistance is the ratio of voltage to current, if the voltage is constant then increasing the resistance will result in a reduction in current.


In a series circuit when adding light bulbs does the current change?

In a series circuit, adding more light bulbs increases the resistance in the circuit. As a result, the total current in the circuit decreases because the voltage remains constant. The current is shared among the components in a series circuit, so adding more bulbs decreases the current that flows through each bulb.


What happens to the current in the other lights if one light burns out in a series circuit?

It depends what is the outcome of burning. If that light has created open circuit, circuit will break and there will not be any current. But if there is short circuit means overall resistance is decreased. Thus current will increase. Besides overall brightness will also increase. Thus, if in a series lesser the number of bulbs more will be brightness.


What happens to the current in a parallel circuit when more bulbs are added?

When more bulbs are added to a parallel circuit, the total current in the circuit increases because each bulb provides an additional path for current to flow. This is because in a parallel circuit, the current is divided amongst the branches, so adding more branches (bulbs) will increase the total current.


What happens to the brightness of light bulbs when more batteries are added Why?

Adding more batteries to a circuit with light bulbs will increase the brightness of the bulbs. This is because the additional batteries will provide more voltage, which allows for a higher current to flow through the circuit. As a result, the bulbs will emit more light due to the increased energy supplied.


What happens when more branches are added to a parallel circuit?

Adding more branches to a parallel circuit decreases the overall resistance of the circuit. This leads to an increase in the total current flowing through the circuit as each branch provides an additional pathway for the current to flow. This results in a decrease in the total resistance and an increase in the overall current of the circuit.


Is it more difficult for current to flow through a circuit with two bulbs than with one?

yes because of bulb resistance :)