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I'm not sure what you mean by turning a dimmer switch "up".
-- When the dimming action of the device is turned 'up', the bulb
becomes more dim, that is, less bright.
-- The dimmer may have an arrow printed on its control, labeled 'brighter'.
In that case, when you turn the control in the direction of the arrow,
the light becomes brighter, i.e. less dim.

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How does the brightness of each bulb in a parallel circuit compare to the brightness of the bulb in a series circuit?

In a parallel circuit, each bulb receives the full voltage of the power source, so all bulbs shine at their full brightness. In a series circuit, the brightness of each bulb decreases as more bulbs are added because the voltage is shared among all bulbs.


Why the relative brightness of two light bulbs change when the type of circuit is changed?

When your circuit is in SERIES, each individual bulb will receive one fraction of the voltage of the battery, allowing the full chain of bulbs to draw less current, but to be dimmer in the same respect. When your circuit is in PARALLEL, each bulb will receive the same voltage, however more current will be drawn, so it depends on your situation on which you should use.


What happens when the length of the wire in the series circuit is increased?

Increasing the length of wire in a series circuit increases the overall resistance in the circuit, which reduces the current flowing through the circuit. This results in a decrease in the brightness of any connected bulbs or the speed of any connected motors, as the components receive less energy due to the increased resistance.


How can a variable resistor be used to control the brightness of light?

A variable resistor can be connected in series with a light bulb in a circuit. By adjusting the resistance of the variable resistor, the current flowing through the circuit changes, affecting the brightness of the light bulb. Increasing the resistance decreases the current, resulting in lower brightness, while decreasing the resistance increases the current, leading to higher brightness.


What happens if the track of the current is broken in a series circuit?

If the track of the current is broken in a series circuit, the circuit will be interrupted and no current will flow. The components in the circuit will not receive any power and will not function until the circuit is repaired.

Related Questions

What happens to the brightness of the bulb when the second bulb is put into a series circuit?

it should become dimmer


What happens to a series circuit if a longer wire is used?

Resistance is increased so the light will be dimmer.


Which circuit has brighter bulb side by side?

Bulbs in a parallel circuit draw the same amount of current, so each will display the same brightness. Bulbs in a series circuit share the current so all bulbs will appear dimmer.


How does the brightness of each bulb in a parallel circuit compare to the brightness of the bulb in a series circuit?

In a parallel circuit, each bulb receives the full voltage of the power source, so all bulbs shine at their full brightness. In a series circuit, the brightness of each bulb decreases as more bulbs are added because the voltage is shared among all bulbs.


If a new bulb is added and the electrical circuit becomes dimmer is it a parallel circuit?

No it's series circuit.


What happens to the power output of each lamp if more lamps are connected in parallel?

The lamps will get dimmer. In a parallel circuit, voltage is constant. Whereas, in a series circuit, amps are constant.


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 is the relationship between lamp brightness and resistance in a series circuit?

The higher the resistance the dimmer the light will become. The voltage drop (current) is proportional to the resistance as seen in the equation V=IR, since voltage remains the same throughout a series circuit if the equivalent resistance goes up the amount of current reaching the lightbulb must go down to equal the voltage thus creating a dimmer lightbulb.


In a series circuit of three bulbs adding another one will?

Do nothing. But in a parallel circuit, all the bulbs will get dimmer.


The current is 0.4 A and the bulb in the circuit is bright. What will happen to the brightness of the bulb if you put another bulb in series in the circuit?

ANSWER: The brightness of both bulbs will decrease. If the bulbs are identical the current will decrease to 0.2 Amps. This is a simple series resistive circuit, the more bulbs you add in series both the amperage and bulb brightness will continue to go down.


What happens to the brightness of the other two when one of the bulbs burn out three identical bulbs are wired in series?

As a series circuit, as asked, all bulbs will go off because of that just one bulb.


What happens if there is a break in a series circuit?

The series circuit becomes an open circuit because there is no remaining path.