Fans, the most needed thing in summer, depend on fluid dynamics and electromagnetic concepts. When a fan is turned on, the blades inside it revolve. As the blades rotate, they produce a low-pressure zone behind them. This low-pressure zone encourages air to flow from higher-pressure places, such as the surrounding room, to the fan.
The rotation of the fan’s blades and the design of the fan’s housing drive the flow of air in a specified direction. Fans use these physics principles to circulate air, which provides cooling and ventilation in houses and buildings.
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