A square coil of side 5.0cm is placed in a uniform magnetic field of 0.20T. The normal to the plane of the coil makes an angle of 60∘ with the field. Calculate the magnetic flux through the coil.
(a) 5.0×10−4Wb
(b) 4.3×10−4Wb
(c) 2.5×10−4Wb
(d) 1.7×10−4Wb