P.No.15.4:- A circular coil has 15 turns of radius 2cm each. The plane of the coil lies at 40 degree to a uniform magnetic field of 0.2 T. If the field is increased to 0.5 T in 0.2s, find the magnitude of the induced emf.

P.No.15.4:- A circular coil has 15 turns of radius 2cm each. The plane of the coil lies at 40 degree  to a uniform magnetic field of 0.2 T. If the field is increased to 0.5 T in 0.2s, find the magnitude of the induced emf.