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a uniformly charged and infinitel long line having a linear charge density x is placed at distance y from pt o consider an imaginary sphere of radius r with o as center and r>y electric flux is ?

palak , 7 Years ago
Grade 12
anser 1 Answers
Eshan

Last Activity: 6 Years ago

let the length of the rod inside the sphere bel.

From geometry,y^2+(\dfrac{l}{2})^2=r^2
Hencel=2\sqrt{r^2-y2}
Therefore the enclosed charge inside the sphere=xl=2x\sqrt{r^2-y2}
Hence the flux passing through the sphere==\dfrac{2x\sqrt{r^2-y2}}{\epsilon_0}

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