TS EAMCET 03 May 2019 Shift 1 Solved Paper

A 10 Ω coil of 180 turns and diameter 4 cm is placed in a uniform magnetic field so that the magnetic flux is maximum through the coil's cross-sectional area. Mien the field is suddenly removed a charge of 360 µC flows through a 618 Ω galvanometer connected to the coil, find the magnetic field: