Faraday's Law of Induction

2019 1 question

1. A 800 turn coil of effective area $0.05\ m^2$ is kept perpendicular to a magnetic field $5\times10^{-5}\ T$. When the plane of the coil is rotated by $90^\circ$ around any of its coplanar axis in 0.1 s, the emf induced in the coil will be: