Asked in Physics, Energy
Physics
Energy

How can you describe the process that causes electrical energy to be transformed into heat and light energy as a current flows in a lightbulb?

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Answer

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Wiki User
02/27/2012

Electrical current in a light bulb causes the bulb element to heat up i2R and some heat gets to the level to excite the element electrons. The excited electrons radiate light when returning to normal levels.