A hair dryer works by blowing air across a heating element using a fan, which heats the air and then directs it out the nozzle.
Here's a breakdown:
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Fan: An electric fan inside the dryer is responsible for creating airflow. It rotates and pushes air through the device.
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Heating Element: The air then passes over a heating element, usually a coiled nichrome wire. When electricity flows through the wire, it heats up significantly due to its resistance.
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Heated Air: As the air travels across the hot heating element, it absorbs the heat, increasing its temperature.
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Nozzle: Finally, the heated air is forced out of the dryer through a nozzle. The nozzle concentrates the airflow, making it more effective for drying and styling hair.
In essence, the hair dryer converts electrical energy into heat energy and uses a fan to direct that heat onto your hair.