Question

1. A uniform electric field of magnitude E = 435  makes an angle of θ = 65.0 with a plane surface of area A = 3.50  as in the figure below. Find the electric flux through this surface.

Answer 1

Electric flux

$\phi=E.A$

$\phi=EAcos\theta$

$\phi=435\times3.50cos65°$

$\phi=643.43Wb$