Question: A square loop of wire of side 0.5 meter and resistance 10^{-2} ohm is located in a uniform magnetic field of intensity 0.4 tesla directed out of the page as shown. The magnitude of the field is decreased to zero at a constant rate in 2 seconds. As the field is decreased, what are the magnitude and direction of the current in the loop? A) Zero  B) 5 A, counterclockwise  C) 5 A, clockwise  D) 20 A, counterclockwise. Please choose an answer from [A, B, C, D].
Answer: B