JEE Main 20207 Jan, Evening shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002
A planar loop of wire rotates in a uniform magnetic field. Initially at t = 0, the plane of the loop
is perpendicular to the magnetic field. If it rotates with a period of 10 s about an axis in its plane
then the magnitude of induced emf will be maximum and minimum, respectively at :