Question Detail
Question
How is magnetic flux calculated when the area is not perpendicular to the magnetic field?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The flux through an area A when the normal vector makes an angle θ with the B-field is Φ = B·A·cos θ. This accounts for the effective perpendicular area.
Hint
Cosine of the angle between B and normal.