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Srijit singh Grade: 12
        

A ponit charge q is kept at the centre of the cylinder of length L and radius a> calculate the flux throuugh the curved surface of the cylinder

7 years ago

Answers : (1)

bibhash jha
15 Points
										

4680-2385_7316_electro1.JPG


Consider the x axis to be along the axis and point charge at the origin.


Now take an area element at height x above the charge dA= 2πrdx


where r= (R^2+x^2)^1/2


and normal component of electric field will be Ecosø where E=(1/4π€)q/r^2


and cosø=R/r


 


now integrate this (scalar) .. from x=-h to x=+h  and you will get the answer.

7 years ago
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