This simulation demonstrates electric flux through a square surface in a uniform electric field:

Φ = E · A · cosθ

Where:
- E is the electric field strength (3 ×10³ N/C)
- A is the area of the square (0.01 m²)
- θ is the angle between the field and surface normal (0°)

Current flux calculation:
- cosθ = 1.00
- Flux Φ = 30 Nm²/C

Key observations:
- Maximum flux occurs when θ = 0° (surface perpendicular to field)
- Zero flux occurs when θ = 90° (surface parallel to field)
- Flux decreases as the angle increases from 0° to 90°