A Circular Loop,of Radius 15 Cm and Negligible Resistance,is Sitting $\times$

Multiple Choice

A circular loop,of radius 15 cm and negligible resistance,is sitting in a perpendicular magnetic field of 0.1 T.If the magnetic field strength changes to a value of 0.5 T in 0.5 s,calculate the induced current in the loop if it is in series with a 20 ohm resistor.

A) 5.7 $\times$ 10^-2 A
B) 1.2 $\times$ 10^-2 A
C) 2.8 $\times$ 10^-3 A
D) 6.0 $\times$ 10^-4 A
E) 1.1 A