A Circular Coil of Radius 5

Multiple Choice

A circular coil of radius 5.0 cm and resistance 0.20 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 = 0.50e^-20t T.What is the magnitude of the current induced in the coil at the time ?

A) 1.3 mA
B) 9.2 mA
C) 7.5 mA
D) 4.2 mA
E) 2.6 mA