When the area is perpendicular to the electric field, the electric flux is?

When the area is perpendicular to the electric field, the electric flux is?

Explanation

Electric Flux Maximum (Φ = E·A·cosθ)  

   - When the area vector is perpendicular to the electric field, θ = 0°, so cosθ = 1.  

   - Therefore, Φ = EA (maximum possible flux).