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Answered 2009-11-07 20:11:53

A light bulb does not generate energy, it converts energy from one form to another. Specifically it converts electrical energy to heat and light (electromagnetic energy) and some magnetic energy.

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A light bulb wastes about 85 percent of its energy how efficient is it?

It uses the remaining 15% to generate light and thus it is 15% effective.


What is the percent efficiency of a 60W light bulb that produces 6W of light energy?

If you're using it to generate light, 10 percent efficient. If you're using it to generate heat, 90 percent efficient.


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Energy does not happen. Electrical energy is routed through a light bulb, and some of it is converted to heat energy and light energy inside the bulb.


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Most of the energy in a light bulb is heat energy.


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What energy occurs in the light bulb?

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Is a light bulb an example og electromagnetic energy?

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What are the differences between a energy efficient light bulb and a regular light bulb?

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