A circular coil of radius 7.5 cm and resistance 0.45 Ω is pl…
A circular coil of radius 7.5 cm and resistance 0.45 Ω is placed in a uniform magnetic field perpendicular to the plane of the coil. The magnitude of the field changes with time according to B =(0.80 e-0.3t )T. What is the magnitude of the current induced in the coil at the time t = 2.0 s?