how electrical energy is transformed into light and thermal energy in a lightbulb?
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in the light bulb, the flow of charge through the filament heats it up and causes it to glow. In this way, the light bulb converts electrical energy to heat energy and light energy.
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Replace Light Bulb to Fluorescent: Example: an incandescent light bulb converts electrical energy into radiant energy in the forms of visible light and infrared radiation. The light is useful; however, the infrared radiation (heat) is wasted.
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