Question

A uniform electric field with 500 N/C is parallel to a flat square area of 115 m 2 . Calculate the electric flux.

Answer 1

Given:

$E=\rm 500 \: N/C$

$A=115\:\rm m^2$

$\theta=90^\circ$

The electric flux through the surface

$$\phi=EA\cos\theta=500*115*\cos90^\circ=0$$