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A pencil has nothing to do with the brightness of a light bulb.

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15y ago
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Q: What effect would a pencil have on the brightness of a bulb?
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Related questions

Why did the light bulb change brightness along the pencil?

because the pencil take the a litte enrgy.


How would you compare the brightness of the bulbs as you increase the number of bulbs?

-- If the bulbs are in parallel, then the addition of a bulb has no effect on the brightness of those that were there before. -- If the bulbs are in series, then the addition of a bulb causes the brightness of those that were there before to decrease. (And I wasn't even there when you did the experiment !)


What would happen to the brightness of the bulb if you added a second bulb in with the first?

The brightness of a bulb would not change if you added a second bulb in parallel with the first.Unless, of course, the increased current exceeded the power supply's capacity causing a reduction in voltage.


How do you alter the brightness of a bulb?

You alter the brightness of a bulb by changing the voltage or frequency that is applied to the bulb.


What would happen to the brightness if you get a smaller bulb?

If smaller means less power for the same voltage, then a smaller bulb would result in less brightness. If smaller means less voltage for the same power, then a smaller builb would result in more brightness.


When three bulbs connected to a battery in parallel circuit what will happen to the brightness of the bulbs?

The brightness of three bulb would be mare than one


How does the amount of magents and wire affect the brightness of a light bulb?

The brightness of a light bulb directly has no direct relationship with magnets and wire. The bulbs brightness is determined by the wattage of the bulb. The higher the wattage of the bulb the brighter the bulbs light output.


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

u see the light bulbs on a series circuit's brightness evolves and the brightness on a parallel's circuit dont


Is a light bulb older or a pencil?

pencil is older.


What are some information on light bulb?

brightness


How do we decrease the brightness of a bulb?

If the bulb is of the incandescent variety, then reducing the current in the circuit will do this.


What is the connection between the reading and the brightness of the bulb?

If the current is stronger then the bulb will be brighter.