How A Hair Dryer Works
inside a hair dryer there is a heater, fan, and motor so when you on the hair dryer the electricity goes to the heater and it turns on then the electricity goes to the motor so the motor turn on and spins the fan and also there is a hole at the back there air comes in and powers the motor too and then the air goes to the heater and gets hot and the hot air comes out.
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If my hairdryer is cold Will cold air will come