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what is the working principle of a fan
a fan is connected with a motor... when the fan is switched on.. the long wings of the fan rotate at a very high speed thereby increasing the presseur above... due to the difference in the presserur .. air flows from above to bottom..
Please Approve
the centre of mass of fan is buldged downwards so as to make it rotate faster .
the moter rotates the fan n the blades of fan are tilted at an angle such thut they can pressurise air above fan n between ceiling
so the air comes down with speed
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