The magnitude of the magnetic flux through area A has exactly the same value at angles:

Explanation

The magnitude of magnetic flux (Φ) through a surface is given by the formula Φ = B·A·cos(θ), where B is the magnetic field strength, A is the area, and θ is the angle between the magnetic field and the normal to the surface. For angles of 0° and 180°, cos(0°) = 1 and cos(180°) = -1, indicating that the magnitude of the flux remains the same, although the direction is opposite.In contrast, at 90°, the flux becomes zero because the angle leads to cos(90°) = 0. Similarly, at 270°, the flux is also zero due to the same cosine factor. Thus, options B, C, and D are incorrect as they do not yield the same non-zero flux values as found at 0° and 180°.