How is electrical energy transformed to light energy?
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it says when an electric bulb is switched on, electrical energy gets transformed into heat energy .After some time,when the filament becomes hot it starts giving light. This is how electrial energy is transformed into light energy.
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In an electric bulb electric energy is converted into an heat and light. The amount of electric energy in an bulb is equal to the amount of light energy that heat energy that come out of the bulb we used to + the heat energy that comes out of the bulb.
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