A 500 N/C field is perpendicular to a 0.2 m² surface. What is the electric flux?
Question 1
Q1. A 500 N/C field is perpendicular to a 0.2 m² surface. What is the electric flux?
Answer: 100 N·m²/C
Explanation: Φ = EA cosθ. Option B omits cosine factor.