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Incandescent light bulbs are inefficient because they produce a lot of heat in addition to light, wasting a significant amount of energy. This heat generation results in a loss of energy that could otherwise be used to produce more light. LED and CFL bulbs are more efficient alternatives because they produce less heat and more light with the same amount of energy.

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1y ago

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Why is a light bulb so inefficient?

A traditional incandescent light bulb is inefficient because it produces more heat than light, wasting energy. Only about 5-10% of the energy consumed by an incandescent bulb is converted into visible light, with the rest being wasted as heat.


Why is an incadescent bulb a very inefficient light source?

An incandescent light bulb is very inefficient light source because of the amount of heat energy wasted when it is energized.


Why are heat engines inefficient?

Because much like the light bulb and fans, there's always a bi-product during the main process. So long as the heat engine makes a sound, it'll be inefficient.


What causes the bulb to light in closed circuit?

Energy flowing through the filament. In a traditional incandescent bulb most of the energy is radiated as heat which is why they are viewed as inefficient.


What causes the bulb to light in a closed circuit?

In a closed circuit, electrical current flows from the power source through the wires, through the bulb, and back to the power source. When the current reaches the filament inside the bulb, it heats up and emits light, causing the bulb to light up.


Why Charles Francis Brush built the light bulb?

in that time they were no light so he build the light bulb


Why do people use the light bulb?

so we can see and have light


Why does the incandescent light bulb hot?

That type of bulb makes its light by making a small piece of tungsten wire glow at around 3000 degrees Celsius. Obviously that process also produces a lot of heat so incandescent bulbs are inefficient, i.e. they produce not much light for a lot of electric power used. Tungsten is used because it has the highest melting-point of all metals.


What does the filament in a light bulb do to the electricity?

The filament in a light bulb forms resistance so that heat can happen. The electricity then converts to light energy and heat energy so that the light will shine.


Does a light still you electricity if there is no bulb?

No, a light fixture does not consume electricity if there is no bulb in it. The bulb is what generates light when electricity passes through it, so without a bulb, there is no circuit to complete and no electricity is being used.


Can a tomato glow when connected to a light bulb?

No, a tomato cannot glow when connected to a light bulb. Tomatoes do not have the ability to produce light on their own, so they cannot glow like a light bulb.


What is an example of a common technology that does not efficiently convert energy?

Incandescent light bulbs are inefficient at converting energy into light. They are so inefficient that in many places there is no a ban on the sale or manufacture of incandescent light bulbs in favor of higher efficiency CFLs, LEDs, or halogen lights.