A Flat Circular Loop of Radius 0

Multiple Choice

A flat circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T.Find the magnetic flux through the loop when the plane of the loop and the magnetic field vector are at an angle of 30°.

A) 0 T ∙ m²
B) 3.1 × 10^-3 T ∙ m²
C) 5.5 × 10^-3 T ∙ m²
D) 6.3 × 10^-3 T ∙ m²