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Electric Field Due to a Line of Charge along Its Axis

A rectangular...

Question

A rectangular surface of side 10 cm and 15cm is placed inside a uniform electric field of 25V/m, such that normal to the surface makes an angle of 60' with the direction of electric field. Find the flux of electric field through the rectangular surface?

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Solution

Dear Student,
$ϕ = E S \cos (θ) = 25 \times 150 \times 10^{- 4} \times \frac{1}{2} = . 1875 N m^{2} / C$
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