Q. 11 The electric flux through the su… [FREE SOLUTION] | StudySmarter

The electric field is uniform here, and the sheet is tilted to the electric field by an angle of 30°, hence we use equation (1) to calculate flux.

As indicated in the diagram, θmay be calculated as :

θ=90°-30°=60°

On the flat sheet, where θdoes not change and A is the area of the flat sheet, which we can get by :

role=”math” localid=”1649658814933″ A =(0.10 m× 0.20 m) = 2 x 10-2 m²

Rewriting equation (1), we get :

E= ΦeA cosθ (2)

Plugging in our values for E, A and θ into equation (2) to get the electric flux :

E= ΦeA cosθ =(25 N·m²/C (2 x 10-2 m²)(cos 30°) =1.4×103 N/C