A circular coil having 720 turns and radius 0.057 m is rotating in the uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.021 s, the normal forms an angle of around 45o with the field as the coil has made one-eighth of a revolution. An average emf of magnitude 0.095 V is induced in the coil. Determine the magnitude of the magnetic field at the place of the coil.